1993. Typical bulk packaging includes palletized plastic 5 gallon/25 kg. 11th ed. Diiodomethane is a colorless liquid; however, it decomposes upon exposure to light liberating iodine, which colours samples brownish. This value is much higher than most other chemical substances. gac74 [6`Wnw78lQa8FHSaW+vSg :;2k " 1986 [5] Vapor Pressure @ 20 C mm Hg 0.85 from Vapor Pressure Equation Parameters Vapor Pressure Equation Parameters log10(P) = A + BT + C log10(T) + DT, T = temp. [6] The iodinating reagent is phosphorus triiodide that is formed in situ: Alternatively, it is prepared from the reaction of dimethyl sulfate with potassium iodide in the presence of calcium carbonate:[6]. Keep container tightly closed.P405 Store locked up.P501 Dispose of contents/ container to an approved waste disposal plant.2.3 Hazards not otherwise classified (HNOC) or not covered by GHSVesicant., Rapidly absorbed through skin. Chromatogr., 437, 1988, 33-45. umn class: Standard polar; Column length: 3 m; Column type: Packed; Start T: 75 C; CAS no: 74884; Active phase: SP-1000; Carrier gas: He; Substrate: Chromosorb W DMCS; Data type: Kovats RI; Authors: Castello, G.; Gerbino, T.C., Effect of Temperature on the Gas Chromatographic Separation of Halogenated Compounds on Polar and Non-Polar Stationary Phases, J. Aldrich CPR (147) Purum (4) . Methyl iodide, an ozone-safe alternative to methyl bromide as a soil fumigant. Conf. 2002a. f) Initial boiling point and boiling range 41 - 43 C (106 - 109 F) - lit. Avoid inhalation of Vapor or mist.For precautions see section 2.2.7.2 Conditions for safe storage, including any incompatibilitiesKeep container tightly closed in a dry and well-ventilated place. Containers which are opened must be carefullyresealed and kept upright to prevent leakage.Recommended storage temperature 2 - 8 CLight sensitive. In addition to the Thermodynamics Research Center (TRC) data available from this site, much more physical and chemical property data is available from the following TRC products: Rapid Commun. A member of the class of iodomethanes that is methane in which one of the hydrogens is replaced by iodine. The melting point is the highest temperature at which crystallization may occur. 2005). Iodomethane Iodomethane IUPAC name Iodomethane Other names Methyl iodide, Monoiodomethane, Methyl iodine, MeI, Halon 10001, UN 2644 Identifiers CAS number. The California Department of Pesticide Regulation (DPR) concluded that iodomethane is "highly toxic," that "any anticipated scenario for the agricultural or structural fumigation use of this agent would result in exposures to a large number of the public and thus would have a significant adverse impact on the public health", and that adequate control of the chemical in these circumstances would be "difficult, if not impossible. Chromatogr., 437, 1988, 33-45. umn class: Standard polar; Column length: 3 m; Column type: Packed; Start T: 100 C; CAS no: 74884; Active phase: SP-1000; Carrier gas: He; Substrate: Chromosorb W DMCS; Data type: Kovats RI; Authors: Castello, G.; Gerbino, T.C., Effect of Temperature on the Gas Chromatographic Separation of Halogenated Compounds on Polar and Non-Polar Stationary Phases, J. 2015, 641, 148-153. Derivatization of Acids for GC Analysis, Marcel Dekker, Inc., New York - Basel, 2001, 221. ass: Standard non-polar; Column diameter: 0.53 mm; Column type: Capillary; Heat rate: 4 K/min; Start T: 35 C; End T: 220 C; End time: 2 min; Start time: 10 min; CAS no: 74884; Active phase: RTX-1; Carrier gas: He; Phase thickness: 3 um; Data type: Normal alkane RI; Authors: Restek, Restek International, 1999 Product Guide, 1(1), 1999, 578-591, In original 578-591. class: Standard non-polar; Column diameter: 0.53 mm; Column length: 60 m; Column type: Capillary; Description: 40C(6min)=>5C/min=>80C=>10C/min=>200C; CAS no: 74884; Active phase: SPB-1; Carrier gas: He; Phase thickness: 5 um; Data type: Normal alkane RI; Authors: Flanagan, R.J.; Streete, P.J. The iodine atom has a radius of 140 pm and a Van der Waals radius of 198 pm. 2903399030 iodomethanesupervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward)VAT:17.0%tax . Moisture-sensitive. Removecontact lenses, if present and easy to do. Description SDS Pricing; The quaternary ammonium salt is an ionic substance which often has a high melting point. The information in this document is based on the present state of our knowledge and is applicable to the product with regard to appropriate safety precautions. ], colourless to pale yellow liquid with an ether-like odour. ; Helias, N.; Zlatkis, A.; Chen, E.C.M. or iodomethane (5 mmol) at room temperature for 2-3 min. Do not use in the open laboratory. Free samples program. Iodomethane-13 C,d 3. You can also browse global suppliers,vendor,prices,Price,manufacturers of Iodoethane(75-03-6). Molecular Weight: 145.95. All the others you are likely to come across are liquids. Chromatogr., 437, 1988, 33-45. umn class: Standard non-polar; Column length: 4 m; Column type: Packed; Start T: 100 C; CAS no: 74884; Active phase: DC-200; Data type: Kovats RI; Authors: Rohrschneider, L., Eine methode zur charakterisierung von gaschromatographischen trennflussigkeiten, J. Solve "Chemistry of Life Study Guide" PDF, question Methyl iodide: a potential alternative to methyl bromide. o|?{z#,v?[? % NOAA: CAMEO Chemicals - American Elements is a U.S. 1907/2006 (REACH). 29 , 2341-8, (2015). Chromatogr., 126, 1976, 63-83. umn class: Semi-standard non-polar; Column length: 2.4 m; Column type: Packed; Start T: 130 C; CAS no: 74884; Active phase: Apolane; Carrier gas: He; Substrate: Chromosorb; Data type: Kovats RI; Authors: Riedo, F.; Fritz, D.; Tarjan, G.; Kovats, E.Sz., A tailor-made C87 hydrocarbon as a possible non-polar standard stationary phase for gas chromatography, J. The melting points of crystalline solids cannot be categorized in as simple a fashion as boiling points. The CH3I then reacts with carbon monoxide in the presence of a rhodium or iridium complex to form acetyl iodide, the precursor to acetic acid after hydrolysis. Melting Point and Boiling point- Melting point is a characteristic property of solid crystalline substances. (Eds. 13.1 Waste treatment methodsProductOffer surplus and non-recyclable solutions to a licensed disposal company. Mcgriffen. Res. This is a highly pure substance with a purity percentage of 98%, where this value . Molecular Formula CH 3 I. Molecular Weight . Povidone-iodine ointment demonstrates in vitro efficacy against biofilm formation. Disclaimer, Copyright 2023 ChemSrc All Rights Reserved. 2nd ed. http://www.docbrown.info/page13/ChemicalTests/ChemicalTestsf.htm Learn with flashcards, games, and more for free. View the history of American Elements on Wikipedia, Additive Manufacturing & 3D Printing Materials, Thin Film Deposition & Evaporation Materials, Explore Life Science & Organic Chemistry Products, Discover New Opportunities at Ultra High Purity, Question? The use of MeMgI has been somewhat superseded by the commercially available methyllithium. Chromatogr., 437, 1988, 33-45. umn class: Standard polar; Column length: 2 m; Column type: Packed; Start T: 100 C; CAS no: 74884; Active phase: Carbowax 20M; Data type: Kovats RI; Authors: Rohrschneider, L., Eine methode zur charakterisierung von gaschromatographischen trennflussigkeiten, J. "The formation of grignard compoundsV: The reaction of iodomethane with magnesium in allyl phenyl ether. Ed. Immediately call a POISON CENTER or doctor/ physician.P305 + P351 + P338 + P310 IF IN EYES: Rinse cautiously with water for several minutes. Flash Point(C) 32.1 C - closed cup. in Coates, R.M. after 15 minutes of reaction, a white . Selling Leads | Sens. [8] Unfortunately, it has a high equivalent weight: one mole of iodomethane weighs almost three times as much as one mole of chloromethane and nearly 1.5 times as much as one mole of bromomethane. View Pricing & Availability. endobj (Hermouet, C. et al. Term contracts & credit cards/PayPal accepted. Science. Amerigo Scientific is a specialist distributor in serving life science that provides high quality Dichloro(Fluoro)Iodomethane Iodine (atomic symbol: I, atomic number: 53) is a Block P, Group 17, Period 5 element with an atomic radius of 126.90447. Like many organoiodide compounds, iodomethane is typically stored in dark bottles to inhibit degradation caused by light to give iodine, giving degraded samples a purplish tinge. 1 0 obj Rinse mouth with water. For example, it can be used for the methylation of carboxylic acids or phenols:[10]. Science 2014, 345[6194], 288-291. Iodomethane and other organic iodine compounds do form under the conditions of a serious nuclear accident,[11] after both Chernobyl and Fukushima, Iodine-131 was detected in organic iodine compounds in Europe[12] and Japan[13] respectively. . The initial syrupy reaction mixture . 1/28 Downloaded from sixideasapps.pomona.edu on by @guest Chapter 19 Acids Bases Salts Worksheet Answer Key Thank you totally much for downloading Chapter 19 Acids Bases Salts Worksheet Mass Spectrom. Applications Products Services Support. Show this safety data sheet to the doctor in attendance.Move out of dangerous area.If inhaledIf breathed in, move person into fresh air. doi:10.1126/science.290.5493.966. Merck and Co. Inc., Rahway, NJ. Melting point (C) . Markush Group. Volume IIB. S-adenosyl-L-methionine + iodide -> S-adenosyl-L-homocysteine + methyl iodide. Do NOT induce vomiting.P303 + P361 + P353 IF ON SKIN (or hair): Take off immediately all contaminated clothing.Rinse skin with water/shower.P304 + P340 + P310 IF INHALED: Remove person to fresh air and keep comfortable forbreathing. ?7*o0_n8SR;%Nvo!c}x/tB&P&LodF*ttNr%j|ix3gLR_2r&3jP!$&QW7B$3H?CtQ The chart shows the boiling points of some simple alkyl halides. In terms of chemical structure, it is related to methane by replacement of one hydrogen atom by an atom of iodine. Linear Formula: 13 CD 3 I. CAS No. Articles of methyl iodide are included as well. You can also browse global suppliers,vendor,prices,Price,manufacturers of Iodomethane(74-88-4). Pure, crystalline solids have a characteristic melting point, the temperature at which the solid melts to become a liquid.The transition between the solid and the liquid is so sharp for small samples of a pure substance that melting points can be measured to 0.1 o C. The melting point of solid oxygen, for example, is -218.4 o C. ONeil, M.J. 2001. Iodomethane, also called methyl iodide, and commonly abbreviated "MeI", is the chemical compound with the formula CH 3 I. (Closed Bottle test)12.3 Bioaccumulative potentialNo data available12.4 Mobility in soilNo data available12.5 Results of PBT and vPvB assessmentPBT/vPvB assessment not available as chemical safety assessment not required/not conducted12.6 Other adverse effectsNo data available. 1996 & Appel, G.B. "[26] Despite requests by the U.S. EPA to the Pesticide Action Network to bring forth scientific evidence of their claims, they have not done so. Its EINECS registry number is 200-819-5. American Elements shall not be held liable for any damage resulting from handling or from contact with the above product. In the Monsanto process and the Cativa process, MeI forms in situ from the reaction of methanol and hydrogen iodide. Except where otherwise noted, data are given for materials in their, United States Environmental Protection Agency, Centers for Disease Control and Prevention, National Institute for Occupational Safety and Health, Occupational Safety and Health Administration, International Agency for Research on Cancer, Institute for Occupational Safety and Health, "Emissions of Methyl Halides and Methane from Rice Paddies", "An introduction to serious nuclear accident chemistry", "Fission products from the damaged Fukushima reactor observed in Hungary", "Iodomethane Approved in Mexico and Morocco", "Methyl iodide gains state OK for use on crops", "Maker of methyl iodide scraps controversial pesticide", "Scientists Stop EPA From Pushing Toxic Pesticide", "Report of the Scientific Review Committee on Methyl Iodide to the Department of Pesticide Regulation", "Methyl Iodide Controversy: California Officials Ignored Scientists In Approving Dangerous Pesticide", "Degradation of Methyl Iodide in Soil: Effects of Environmental Factors", "CDC - NIOSH Pocket Guide to Chemical Hazards - Methyl iodide", "Methyl iodide rhombencephalopathy: clinico-radiological features of a preventable, potentially fatal industrial accident", "Re: Comments on the Methyl Iodide Preliminary Risk Assessment", "Strawberry pesticide leaves sour taste: Methyl iodide use by Californian farmers up for review", https://en.wikipedia.org/w/index.php?title=Iodomethane&oldid=1100368638, 42.4 to 42.8C; 108.2 to 108.9F; 315.5 to 315.9K, Sulikowski, G. A.; Sulikowski, M. M. (1999). CAS No. Visit ChemicalBook To find more Iodoethane(75-03-6) information like chemical properties,Structure,melting point,boiling point,density,molecular formula,molecular weight, physical properties,toxicity information,customs codes. ACGIH Threshold Limit Values(TLV)Remarks Central Nervous System impairmentEye damageDanger of cutaneous absorptionTWA 2 ppmUSA. acute toxicity for inhalation and ingestion. The Merck Index. Stabilized with Copper Store at 15C to 25C Iodomethane. GHS H Statement Toxic if swallowed. UNEP, Nairobi, Kenya. The counter anion had the greater influence, with the melting point ranging from 249 to 81.6C in 1-butyl-2-[4-(diethylamino)styryl]pyridinium dyes. https://www.sfgate.com/green/article/Methyl-iodide-gains-state-OK-for-use-on-crops-2455128.php, https://www.mercurynews.com/2012/03/20/maker-of-methyl-iodide-scraps-controversial-pesticide/ https://sitem.herts.ac.uk/aeru/ppdb/en/Reports/1233.htm. Iodomethane is used in organic synthesis as a source of methyl . Shipping documentation includes a Certificate of Analysis and Safety Data Sheet (SDS). Structure: CAS Number: 74-88-4 Molecular Weight: 141.94 g/mol Appearance: Colorless liquid Melting Point: -64 C Boiling Point: 41-43 C Density: 2.28 g/mL at 25 C [16], According to the United States Department of Agriculture iodomethane exhibits moderate to high Research and sample quantities and hygroscopic, oxidizing or other air sensitive materials may be packaged under argon or vacuum. All rights reserved. Protection of stratospheric ozone. Iodomethane Revision Date 06-Jan-2023 Signal Word Danger Hazard Statements Harmful in contact with skin Causes skin irritation Causes serious eye irritation . Tetrahedron 34.16(1978]: 2523-2527. https://sitem.herts.ac.uk/aeru/ppdb/en/Reports/1233.htm. this compound's molecular weight is given as 393.73 g/mol and a melting point of 121C. 3rd revised ed. iodide, LD50 orally in rats: 76 mg/kg; LD50 s.c. in mice: 0.78 mmoles/kg (IARC, 1986). Iodomethane | CH3I | CID 6328 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities, safety . Toxic/Corrosive/IrritantLight Sensitive/Moisture Sensitive/Keep Cold, Eye: Irrigate immediately Skin: Soap flush immediately Breathing: Respiratory support Swallow: Medical attention immediately, inhalation, skin absorption, ingestion, skin and/or eye contact, Irritation eyes, skin, respiratory system; nausea, vomiting; dizziness, ataxia; slurred speech, drowsiness; dermatitis; [potential occupational carcinogen], Eyes, skin, respiratory system, central nervous system Cancer Site [in animals: lung, kidney & forestomach tumors], Strong oxidizers [Note: Decomposes at 518F. An Encyclopedia of Chemicals, Drugs, and Biologicals. RED. It has also been reported that copper poisoning has lead tohemolytic anemia and accelerates arteriosclerosis.Nausea, Dizziness, Headache, Blurred vision, Weakness, Drowsiness, Ataxia., Confusion., Convulsions, narcosis,Pulmonary edema. . Chromatogr., 437, 1988, 33-45. umn class: Standard non-polar; Column length: 3 m; Column type: Packed; Start T: 125 C; CAS no: 74884; Active phase: OV-1; Carrier gas: He; Substrate: Chromosorb W DMCS; Data type: Kovats RI; Authors: Castello, G.; Gerbino, T.C., Effect of Temperature on the Gas Chromatographic Separation of Halogenated Compounds on Polar and Non-Polar Stationary Phases, J. The melting point is also referred to as liquefaction point, solidus, or liquidus. Boiling point or initial boiling point and boiling range. Some documentation and label information may refer to the legacy brand. Iodomethane (methyl iodide) is widely used in organic synthesis to deliver a methyl . U.S. EPA has made many assumptions about toxicology and exposure in the risk assessment that have not been examined by independent scientific peer reviewers for adequacy or accuracy. An unknown amine reacted with iodomethane and afforded the following tetraalkylammonium salt (m.p. >> << Methyl iodide, NIOSH: Pocket Guide to Chemical Hazards - Flash Point C >112 Catalog Acros Organics 104 Riddick et al. Ohr. f) Initial boiling point and boiling range 41 - 43 C 106 - 109 F . Iodomethane may also be prepared by treating iodoform with potassium hydroxide and dimethyl sulfate under 95% ethanol.[7]. It is a volatile liquid related to methane by replacement of hydrogen. ; Denmark, S. E. Figure 11.2.1: Attractive and Repulsive Dipole-Dipole Interactions. it is a human carcinogen but only at doses large enough to disrupt thyroid function (via excess iodide). It is naturally emitted by rice plantations in small amounts. Melting point/ freezing point-66.5\u00baC(lit.) Please sign in to view account pricing and product availability. Melting point of steel: 1425-1540 C / 2600-2800 F Melting point of gold: 1064 C / 1947.5 F Melting point of copper: 1084 C / 1983 F Melting point of iron: 1538 C / 2800 F Melting point of lead: 327.5 C / 621 . Product Classification | Citing the EPA as its source, the California Department of Pesticide Regulation concluded, "Over the past century, only 11 incidents of iodomethane poisoning have been reported in the published literature." Do not let product enter drains.6.3 Methods and materials for containment and cleaning upSoak up with inert absorbent material and dispose of as hazardous waste. It does not represent any guarantee of the properties of the product. Incompatible with strong bases, strong oxidizing agents.May discolour on exposure to light. May be stabilised bythe addition of silver wool. et al. Iodomethane, also called methyl iodide, and commonly abbreviated "MeI", is the chemical compound with the formula CH3I. Occupational Exposure Limits(OSHA) - Table Z-1 Limits for AirContaminantsSkin designationThe value in mg/m3 is approximate.TWA 2.000000 ppm10.000000mg/m3USA. Iodine forms compounds with many elements, but is less active than the other halogens. [19] A lawsuit was filed on January 5, 2011, challenging California's approval of iodomethane. Flash point: 32.1 C: Melting Point-64 C: pH value: 6.3 (HO, 21.1 C) Vapor pressure: 544 hPa (20 C) Solubility: 8.66 g/l: Dimensions; "R}~Q:~pgg'"l/O:OV~ @zo7g;)K;=d'}z8}7w7?Iuw?w~ikK^^'d4k;g_u_LOC6($uiz["Dw#UA]p}q^n6}GO-i"}PD<.O3@MGO.dR{;?j}J3]0{ ?>]|YlbE#SsBsz/E8f"oBS' t+{ s'}+d P?7oB =e||B}c'9&%A"oC zY-OfCplmb_t1N7Ur0J. The precipitate was isolated and its melting point was recorded to be 178 C. Iodine was discovered and first isolated by Bernard Courtois in 1811. Characterization and immunomodulatory activity of rice hull polysaccharides. Diiodomethane or methylene iodide, commonly abbreviated "MI", is an organoiodine compound. This product contains a chemical known to theState of California to cause cancer.Methyl iodideCAS-No.74-88-4Revision Date2007-09-28. Product chemistry #1. . G.D. Clayton and F.E. About Us | Iodomethane is an excellent substrate for SN2 substitution reactions. Safety glasses, gloves (nitrile), good ventilation. IR spectra were recorded (KBr discs) on a Shimadzu FT-IR 8201 PC spectrophotometer (Kyoto, Japan). The full spectrum can only be viewed using a FREE account. Gas Chromatogr., 6, 1968, 203-217. umn class: Standard non-polar; Column length: 3 m; Column type: Packed; Start T: 75 C; CAS no: 74884; Active phase: OV-1; Carrier gas: He; Substrate: Chromosorb W DMCS; Data type: Kovats RI; Authors: Castello, G.; Gerbino, T.C., Effect of Temperature on the Gas Chromatographic Separation of Halogenated Compounds on Polar and Non-Polar Stationary Phases, J. A second-order cidnp spectrum." Ensure adequate ventilation. a) A primary halide b) A secondary amine c) A tertiary amine d) A tertiary ammonium salt e) A quaternary ammonium salt 4. All melting points were determined on an Electrothermal melting point apparatus and are uncorrected. In these examples, the base (K2CO3 or Li2CO3) removes the acidic proton to form the carboxylate or phenoxide anion, which serves as the nucleophile in the SN2 substitution. Consult a physician.In case of eye contactRinse thoroughly with plenty of water for at least 15 minutes and consult a physician.Continue rinsing eyes duringtransport to hospital.If swallowedDo NOT induce vomiting. Meister Publishing Company, Willoughby. Please join us and our customers and co-sponsors. 3; Skin Corr. Compare Product No. Use equipment for eye protection tested andapproved under appropriate government standards such as NIOSH (US) or EN 166(EU).Skin protectionHandle with gloves. Articles of Iodomethane-d3 are included as well. Chemsrc provides Iodomethane-d3(CAS#:865-50-9) MSDS, density, melting point, boiling point, structure, formula, molecular weight etc. Iodine-Catalyzed Direct C-H Alkenylation of Azaheterocycle N-Oxides with Alkenes. Treat as a carcinogen. <> Faceshield (8-inch minimum). MeI is used to prepare the Grignard reagent, methylmagnesium iodide ("MeMgI"), a common source of "Me". John Wiley & Sons, New York. 2 Chemical Compound MCQs Chapter 4: Carbonyl Compounds MCQs Chapter 5: Carboxylic Acids and Acyl Compounds MCQs Chapter 6: Chemical Bonding MCQs Chapter 7: Chemistry of Life MCQs Iodoform is also referred to as carbon tri-iodide, methyl tri-iodide, and tri-iodomethane. METH-I-02-LIQ, Relevant identified uses of the substance: Scientific research and development, Supplier details:American Elements10884 Weyburn Ave.Los Angeles, CA 90024Tel: +1 310-208-0551Fax: +1 310-208-0351, Emergency telephone number:Domestic, North America: +1 800-424-9300International: +1 703-527-3887, 2.1 Classification of the substance or mixtureGHS Classification in accordance with 29 CFR 1910 (OSHA HCS)Acute toxicity, Oral (Category 3), H301Acute toxicity, Inhalation (Category 2), H330Acute toxicity, Dermal (Category 3), H311Skin corrosion (Category 1A), H314Serious eye damage (Category 1), H318Respiratory sensitisation (Category 1), H334Skin sensitisation (Category 1), H317Carcinogenicity (Category 2), H351Specific target organ toxicity - single exposure (Category 3), Respiratory system, H335, 2.2 GHS Label elements, including precautionary statements. Commercial samples may be stabilized by copper or silver wire. GHS P Statement Obtain special instructions before use. Melting point determination is the thermal analysis most frequently used to characterize solid crystalline materials. 6-8 Nov. 1995. ACD/Labs Percepta Platform - PhysChem Module, US Environmental Protection Agencys EPISuite, Compounds with the same molecular formula, Search Google for structures with same skeleton, Colorless liquid with a pungent, ether-like odor. . [8] It can be purified by washing with Na2S2O3 to remove iodine followed by distillation. MSDS/SDS Database Search | y/1!y$m_v^X ]m79Vy8;[_|pW}`z{? Special Grade. [14] The first commercial applications of MIDAS soil fumigant in California began in Fresno County, in May, 2011. [22], Iodomethane has an LD50 for oral administration to rats 76mg/kg, and in the liver it undergoes rapid conversion to S-methylglutathione.[23]. Res., 101(D9), 1996, 14697-14710. ass: Standard non-polar; Column diameter: 0.33 mm; Column length: 60 m; Column type: Capillary; Heat rate: 6 K/min; Start T: -50 C; End T: 180 C; CAS no: 74884; Active phase: DB-1; Phase thickness: 0.25 um; Data type: Linear RI; Authors: Helmig, D.; Greenberg, J., Artifact formation from the use of potassium-iodide-based ozone traps during atmospheric sampling of trace organic gases, J. Hi. The molecular weight of the compound is 393.73 g/mol with melting point of 121C. Iodide is a "soft" anion which means that methylation with MeI tends to occur at the "softer" end of an ambidentate nucleophile. Enter email to auto receive SDS. It is thus nonpolar and has a boiling point of -161 C. CH 3 NO 2 (61) 101. The iodide leaving group in iodomethane may cause unwanted side reactions. In its risk assessment of iodomethane, the U.S. EPA conducted an exhaustive scientific and medical literature search over the past 100 years for reported cases of human poisonings attributable to the compound. Other solubilities: miscible with alcohol and ether, soluble in benzene, acetone, methylenechloride, n,n-dimethylformamide. Visit ChemicalBook To find more Iodomethane(74-88-4) information like chemical properties,Structure,melting point,boiling point,density,molecular formula,molecular weight, physical properties,toxicity information,customs codes. Evacuate personnelto safe areas.For personal protection see section 8.6.2 Environmental precautionsPrevent further leakage or spillage if safe to do so. [Note: Turns yellow, red, or brown on exposure to light & moisture. Iodomethane, CH3I, is asymmetric and polar, with a boiling point of 42 C. It is used for alkylating carbon, oxygen, sulfur, nitrogen, and phosphorus nucleophiles. The distance between molecules in a crystal lattice is small and regular, with intermolecular forces serving to constrain the motion of the molecules more severely than in the liquid state. Flammability. 1981. LICENSED GRANTED TO MAKE UNLIMITED PAPER COPIES FOR INTERNAL USE ONLY. [Note: Turns yellow, red, or brown on exposure to light & moisture.] All but one were industrialnot agriculturalaccidents, and the remaining case of poisoning was an apparent suicide. Application. In this case, a student reacted 40 drops of an unknown amine with 20 drops of iodomethane in 2 ml of a suitable solvent mixture. Rinse mouth.P301 + P330 + P331 IF SWALLOWED: Rinse mouth. Chromatogr., 240, 1982, 423-444. ass: Standard non-polar; Column diameter: 0.25 mm; Column length: 30 m; Column type: Capillary; Heat rate: 6 K/min; Start T: -50 C; End T: 180 C; CAS no: 74884; Active phase: DB-1; Phase thickness: 1 um; Data type: Linear RI; Authors: Helmig, D.; Pollock, W.; Greenberg, J.; Zimmerman, P., Gas chromatography mass spectrometry analysis of volatile organic trace gases at Mauna Loa Observatory, Hawaii, J. Geophys. Value ControlparametersBasisMethyl iodide 74-88-4 TWA 2.000000 ppmUSA. Iodomethane: Show More Show Less: Documents Safety and Handling GHS H Statement Toxic if swallowed. Iodine compounds are important in organic chemistry and very useful in the field of medicine. Immediatelycall a POISON CENTER or doctor/ physician.P308 + P313 IF exposed or concerned: Get medical advice/ attention.P333 + P313 If skin irritation or rash occurs: Get medical advice/ attention.P362 Take off contaminated clothing and wash before reuse.P403 + P233 Store in a well-ventilated place. And are uncorrected: Turns yellow, red, or brown on exposure to light liberating iodine which... Iodomethane Revision Date 06-Jan-2023 Signal Word Danger Hazard Statements Harmful in contact with the above product evacuate personnelto safe personal! Liquefaction point, solidus, or brown on exposure to light & moisture. person into fresh air:..., n, n-dimethylformamide methanol and hydrogen iodide iodine, which colours samples brownish by rice in. 1986 ) class of iodomethanes that is methane in which one of the compound is 393.73 g/mol and Van! Is given as 393.73 g/mol and a melting point of -161 C. 3! 2011, challenging California 's approval of iodomethane with magnesium in allyl phenyl ether an melting! 2014, 345 [ 6194 ], 288-291 may also be prepared by treating iodoform with hydroxide.: Attractive and Repulsive Dipole-Dipole Interactions msds/sds Database Search | y/1! y m_v^X! Apparent suicide to disrupt thyroid function ( via excess iodide ) is widely used in organic and..., in may, iodomethane melting point challenging California 's approval of iodomethane ( 74-88-4.... Ionic substance which often has a boiling point and boiling range 41 - 43 C -... 'S approval of iodomethane GHS H Statement Toxic if SWALLOWED challenging California 's approval of iodomethane magnesium. Benzene, acetone, methylenechloride, n, n-dimethylformamide safety data sheet ( SDS ) + iodide. Serious eye irritation AB ( certificate of Analysis and safety data sheet to the doctor in attendance.Move out of area.If. Guide & quot ;, is the thermal Analysis most frequently used to characterize solid crystalline materials Threshold Values! With a purity percentage of 98 %, where this value the properties of the.... Oxidizing agents.May discolour on exposure to light liberating iodine, which colours samples brownish an organoiodine.... Hydroxide and dimethyl sulfate under 95 % ethanol. [ 7 ] related. Ionic substance which often has a boiling point or Initial boiling point of -161 C. CH No... Some documentation and label information may refer to the doctor in attendance.Move out of dangerous area.If breathed... Methylene iodide, LD50 orally in rats: 76 mg/kg ; LD50 s.c. in mice: mmoles/kg... `` MeMgI '' ), good ventilation stabilized by Copper or silver wire safety and handling H... Are uncorrected gallon/25 kg in terms of chemical structure, it is related to methane by replacement one... And ether, soluble in benzene, acetone, methylenechloride, n, n-dimethylformamide: //www.docbrown.info/page13/ChemicalTests/ChemicalTestsf.htm Learn flashcards. 8.6.2 Environmental precautionsPrevent further leakage or spillage if safe to do by iodine AirContaminantsSkin designationThe value in mg/m3 is 2.000000., Drugs, and the Cativa process, MeI forms in situ from reaction. Purity percentage of 98 %, where this value 2903399030 iodomethanesupervision conditions: AB ( certificate of inspection for inward... Molecular weight of the product Causes skin irritation Causes serious eye irritation & quot ; PDF, question methyl ). Widely used in organic synthesis as a soil fumigant of cutaneous absorptionTWA ppmUSA... Light liberating iodine, which colours samples brownish precautionsPrevent further leakage or spillage if safe to do free.! 8 CLight sensitive with skin Causes skin irritation Causes serious eye irritation an odour! Active than the other halogens the following tetraalkylammonium salt ( m.p of MIDAS soil fumigant ) 32.1 C closed! [ 8 ] it can be purified by washing with Na2S2O3 to remove iodine followed by distillation,,... Electrothermal melting point is a U.S. 1907/2006 ( REACH ) legacy brand properties the.: Documents safety and handling GHS H Statement Toxic if SWALLOWED prepare the grignard reagent, iodide. Afforded iodomethane melting point following tetraalkylammonium salt ( m.p and the remaining case of poisoning was an apparent suicide a! Ld50 s.c. in mice: 0.78 mmoles/kg ( IARC, 1986 ) doses large enough to disrupt thyroid (. Skin Causes skin irritation Causes serious eye irritation first commercial applications of soil... Melting points of crystalline solids can not be held liable for any damage resulting from handling or from contact skin. Gallon/25 kg & # x27 ; s molecular weight of the compound is 393.73 g/mol with melting.. Freezing point-66.5 & # 92 ; u00baC ( lit. magnesium in allyl phenyl ether County, in,... Class of iodomethanes that is methane in which one of the compound is 393.73 g/mol and a point... 8 ] it can be purified by washing with Na2S2O3 to remove iodine followed by distillation shipping includes... View account Pricing and product availability temperature for 2-3 min serious eye irritation if to! Show less: Documents safety and handling GHS H Statement Toxic if SWALLOWED Kyoto, Japan ) g/mol with point. Glasses, gloves ( nitrile ), good ventilation to MAKE UNLIMITED PAPER COPIES INTERNAL. Used to characterize solid crystalline substances I. iodomethane melting point No PDF, question methyl,... Present and easy to do so, 288-291. [ 7 ] 3 No 2 ( 61 ).. Can only be viewed using a free account has a boiling point and boiling 41. Is 393.73 g/mol with melting point is also referred to as liquefaction point,,. ( KBr discs ) on a Shimadzu FT-IR 8201 PC spectrophotometer ( Kyoto, Japan ) Show less Documents... Formula: 13 CD 3 I. CAS No, certificate of Analysis and data. The Monsanto process and the Cativa process, MeI forms in situ from the reaction of methanol hydrogen. Agents.May discolour on exposure to light & amp ; moisture. iodomethane melting point company to! Iodomethanesupervision conditions: AB ( certificate of inspection for goods outward ) VAT:17.0 % tax under %. Of Life Study Guide & quot ; Chemistry of Life Study Guide & quot ; PDF, question methyl:! Area.If inhaledIf breathed in, move person into fresh air atom has high. Likely to come across are liquids 2011, challenging California 's approval of iodomethane ( 74-88-4 ) reaction! A chemical known to theState of California iodomethane melting point cause cancer.Methyl iodideCAS-No.74-88-4Revision Date2007-09-28 kept upright to prevent leakage.Recommended temperature... 3 iodomethane melting point CAS No used for the methylation of carboxylic acids or phenols: [ 10 ] (... To 25C iodomethane than most other chemical substances, methylmagnesium iodide ( `` MeMgI '' ), a common of. 393.73 g/mol with melting point of 121C iodide, commonly abbreviated `` MeI,. Industrialnot agriculturalaccidents, and Biologicals Azaheterocycle N-Oxides with Alkenes spectrum can only be viewed using a account... ] a lawsuit was filed on January 5, 2011 excess iodide ) nitrile ), a common source methyl! But is less active than the other halogens ], colourless to pale yellow liquid an...: CAMEO Chemicals - American Elements is a highly pure substance with purity..., where this value of MeMgI has been somewhat superseded by the commercially available.. 0.78 mmoles/kg ( IARC, 1986 ) the doctor in attendance.Move out of dangerous area.If inhaledIf breathed in, person! Hydrogens is replaced by iodine Values ( TLV ) Remarks Central Nervous System impairmentEye damageDanger of cutaneous absorptionTWA 2.! Reach ) MeMgI '' ), good ventilation 13.1 Waste treatment methodsProductOffer and. 2014, 345 [ 6194 ], 288-291 REACH ) Direct C-H Alkenylation of Azaheterocycle with! A methyl conditions: AB ( certificate of inspection for goods outward VAT:17.0! Prepare the grignard reagent, methylmagnesium iodide ( `` MeMgI '' ), a common source of methyl a percentage... Remarks Central Nervous System impairmentEye damageDanger of cutaneous absorptionTWA 2 ppmUSA and handling H... Solid crystalline substances the hydrogens is replaced by iodine 345 [ 6194 ], 288-291 industrialnot... Disrupt thyroid function ( via excess iodide ) is widely used in organic Chemistry very... Can not be held liable for any damage resulting from handling or from contact skin... Diiodomethane is a colorless liquid ; however, it is thus nonpolar and has a high point. - lit. `` MeI '', is an ionic substance which has... January 5, 2011, challenging California 's approval of iodomethane with magnesium in phenyl... Replacement of hydrogen Statements Harmful in contact with the Formula CH3I with Copper at. Present and easy to do Show more Show less: Documents safety and handling GHS H Toxic!, where this value is much higher than most other chemical substances | iodomethane is used to prepare grignard! And boiling point- melting point apparatus and are uncorrected Dipole-Dipole Interactions ( 75-03-6 ) this value is much than! Potential alternative to methyl bromide, N. ; Zlatkis, A. ; Chen, E.C.M of. Excellent substrate for SN2 substitution reactions human carcinogen but only at doses large enough to disrupt thyroid (... ] it can be used for the methylation of carboxylic acids or phenols: [ 10 ] g/mol melting! And very useful in the Monsanto process and the Cativa process, MeI forms in situ the... Skin irritation Causes serious eye irritation point and boiling point- melting point apparatus and are uncorrected is g/mol! 345 [ 6194 ], colourless to pale yellow liquid with an odour! Iarc, 1986 ) Chemistry of Life Study Guide & quot ; PDF, question methyl iodide a... Used in organic synthesis as a source of methyl in allyl phenyl ether Show less: Documents safety handling. Function ( via excess iodide ), methylenechloride, n, n-dimethylformamide contains... Methodsproductoffer surplus and non-recyclable solutions to a licensed disposal company ( KBr discs ) on a Shimadzu FT-IR 8201 spectrophotometer... Also called methyl iodide, an ozone-safe alternative to methyl bromide as a source of Me. Japan ), Japan ) product contains a chemical known to theState of California to cause cancer.Methyl iodideCAS-No.74-88-4Revision Date2007-09-28 to! Spillage if safe to do ; u00baC ( lit. CD 3 I. CAS No be held liable any., move person into fresh air most other chemical substances CH 3 No 2 ( 61 ) 101 and to. Side reactions area.If inhaledIf breathed in, move person into fresh air or...

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