EU/US Properties Organoleptics Cosmetics Suppliers Safety Safety in use Safety references References Other Blenders Uses Occurrence Synonyms Articles Notes

methyl iodide
methane, iodo-

Supplier Sponsors

CAS Number: 74-88-4Picture of molecule3D/inchi
ECHA EINECS - REACH Pre-Reg:200-819-5
Nikkaji Web:J2.382E
Beilstein Number:969135
XlogP3-AA:1.50 (est)
Molecular Weight:141.93938000
Formula:C H3 I
BioActivity Summary:listing
NMR Predictor:Predict (works with chrome or firefox)
Category:information only not used for fragrances or flavors
US / EU / FDA / JECFA / FEMA / FLAVIS / Scholar / Patent Information:
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Physical Properties:
Appearance:colorless to pale brown clear liquid (est)
Assay: 95.00 to 100.00
Food Chemicals Codex Listed: No
Specific Gravity:2.28000 @ 25.00 °C.
Refractive Index:1.53100 @ 20.00 °C.
Melting Point: -66.50 °C. @ 760.00 mm Hg (est)
Boiling Point: 42.50 °C. @ 760.00 mm Hg
Vapor Pressure:405.000000 mmHg @ 25.00 °C. (est)
Flash Point: 46.00 °F. TCC ( 7.80 °C. ) (est)
logP (o/w): 1.510
Soluble in:
 water, 1.38E+04 mg/L @ 20 °C (exp)
 water, 4219 mg/L @ 25 °C (est)
Organoleptic Properties:
Odor and/or flavor descriptions from others (if found).
Cosmetic Information:
None found
Charkit Chemical
For experimental / research use only.
Iodomethane puriss., redist., ≥99.5% (GC)
For experimental / research use only.
Iodomethane >99.5%(GC)
Safety Information:
Hazards identification
Classification of the substance or mixture
GHS Classification in accordance with 29 CFR 1910 (OSHA HCS)
None found.
GHS Label elements, including precautionary statements
Hazard statement(s)
None found.
Precautionary statement(s)
None found.
Oral/Parenteral Toxicity:
intraperitoneal-guinea pig LD50 51 mg/kg
"Toxicometric Parameters of Industrial Toxic Chemicals Under Single Exposure," Izmerov, N.F., et al., Moscow, Centre of International Projects, GKNT, 1982Vol. -, Pg. 84, 1982.

intraperitoneal-mouse LD50 172 mg/kg
"Toxicometric Parameters of Industrial Toxic Chemicals Under Single Exposure," Izmerov, N.F., et al., Moscow, Centre of International Projects, GKNT, 1982Vol. -, Pg. 84, 1982.

oral-rabbit LDLo 70 mg/kg
"Patty's Industrial Hygiene and Toxicology," 3rd rev. ed., Clayton, G.D., and F.E. Clayton, eds., New York, John Wiley & Sons, Inc., 1978-82. Vol. 3 originally pub. in 1979; pub. as 2n rev. ed. in 1985.Vol. 2B, Pg. 3447, 1981.

intraperitoneal-rat LD50 101 mg/kg
"Toxicometric Parameters of Industrial Toxic Chemicals Under Single Exposure," Izmerov, N.F., et al., Moscow, Centre of International Projects, GKNT, 1982Vol. -, Pg. 84, 1982.

oral-rat LD50 76 mg/kg
Biochemical Journal. Vol. 98, Pg. 38, 1966.

Dermal Toxicity:
skin-guinea pig LD50 800 mg/kg
Kodak Company Reports. Vol. 21MAY1971

subcutaneous-mouse LD50 110 mg/kg
Toxicology and Applied Pharmacology. Vol. 4, Pg. 354, 1962.

skin-rabbit LDLo 794 mg/kg
National Technical Information Service. Vol. OTS0570629

subcutaneous-rat LD50 110 mg/kg
Zeitschrift fuer Krebsforschung. Vol. 74, Pg. 241, 1970.

Inhalation Toxicity:
inhalation-mouse LC50 5000 mg/m3/57M-C
British Journal of Industrial Medicine. Vol. 7, Pg. 122, 1950.

inhalation-rat LC50 1300 mg/m3/4H
"Toxicology of Drugs and Chemicals," Deichmann, W.B., New York, Academic Press, Inc., 1969Vol. -, Pg. 756, 1969.

Safety in Use Information:
Category: information only not used for fragrances or flavors
Recommendation for methyl iodide usage levels up to:
 not for fragrance use.
Recommendation for methyl iodide flavor usage levels up to:
 not for flavor use.
Safety References:
EPI System: View
NIOSH International Chemical Safety Cards:search
NIOSH Pocket Guide:search
NLM Hazardous Substances Data Bank:Search
Chemical Carcinogenesis Research Information System:Search
AIDS Citations:Search
Cancer Citations:Search
Toxicology Citations:Search
EPA GENetic TOXicology:Search
Env. Mutagen Info. Center:Search
EPA Substance Registry Services (TSCA):74-88-4
EPA ACToR:Toxicology Data
EPA Substance Registry Services (SRS):Registry
Laboratory Chemical Safety Summary :6328
National Institute of Allergy and Infectious Diseases:Data
WGK Germany:3
EPA/NOAA CAMEO:hazardous materials
NIST Chemistry WebBook:Search Inchi
Canada Domestic Sub. List:74-88-4
Pubchem (cid):6328
Pubchem (sid):134970571
Other Information:
(IUPAC):Atomic Weights of the Elements 2009
(IUPAC):Atomic Weights of the Elements 2009 (pdf)
Videos:The Periodic Table of Videos
tgsc:Atomic Weights use for this web site
(IUPAC):Periodic Table of the Elements
KEGG (GenomeNet):C18448
HMDB (The Human Metabolome Database):Search
Export Tariff Code:2903.30.2050
RSC Learn Chemistry:View
avail in usa & japan in grade containing @ least 99% of pure chem.
Potential Blenders and core components note
None Found
Potential Uses:
None Found
Occurrence (nature, food, other):note
 not found in nature
 halon 10001
 methane, iodo-


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PubMed:Comparison of the effects of pyridine and its metabolites on rat liver and kidney.
PubMed:Effects of melatonin in vivo upon luteinizing hormone and prolactin releases induced by opiate receptor antagonists in adult male rats.
PubMed:In vivo labeling of angiotensin II receptors with a carbon-11-labeled selective nonpeptide antagonist.
PubMed:Propionyl-L-carnitine: labelling in the N-methyl position with carbon-11 and pharmacokinetic studies in rats.
PubMed:Melatonin modifies prolactin release induced by opiate antagonists in male rats.
PubMed:Bi-stable block by 4-aminopyridine of a transient K+ channel (Kv1.4) cloned from ferret ventricle and expressed in Xenopus oocytes.
PubMed:An improved method for the synthesis of radiolabeled McN5652 via thioester precursors.
PubMed:Effects of membrane-permeant and -impermeant thiol reagents on Ca2+ and K+ channel currents of mouse pancreatic B cells.
PubMed:Strategy for the investigation of O-linked oligosaccharides from mucins based on the separation into neutral, sialic acid- and sulfate-containing species.
PubMed:The tachycardia associated with the defense reaction involves activation of both GABAA and GABAB receptors in the nucleus tractus solitarii.
PubMed:Highly potent indanamine serotonin uptake blockers as radiotracers for imaging serotonin uptake sites.
PubMed:Improved gas chromatography/mass spectrometry analysis of barbiturates in urine using centrifuge-based solid-phase extraction, methylation, with d5-pentobarbital as internal standard.
PubMed:Comparison of derivatization procedures for the determination of diuretics in urine by gas chromatography-mass spectrometry.
PubMed:Synthesis of some 6-methylidene-9-purine acyclic nucleosides with expected anti-HIV activity.
PubMed:Synthesis of the enantiomers of [N-methyl-11C]PK 11195 and comparison of their behaviours as radioligands for PK binding sites in rats.
PubMed:Solid-state stereochemistry of (-)-scopolamine hydrobromide sesquihydrate, a new polymorph of the anticholinergic drug.
PubMed:Substrate characterization of the Saccharomyces cerevisiae protein farnesyltransferase and type-I protein geranylgeranyltransferase.
PubMed:N-alkylation of 17-azasteroids.
PubMed:Quantitative distribution of rat brain monoamine oxidase A by [14C]clorgyline autoradiography.
PubMed:Synthesis of brain-targeted 1-(2-deoxy-2-fluoro-beta-D-ribofuranosyl)-(E)-5-(2-iodovinyl)uracil coupled to a dihydropyridine <---> pyridinium salt redox chemical-delivery system.
PubMed:A rapid method for the synthesis of methylmalonyl-coenzyme A and other CoA-esters.
PubMed:Gas chromatographic-mass spectrometric quantitation of urinary 11-nor-delta 9-tetrahydrocannabinol-9-carboxylic acid after derivatization by direct extractive alkylation.
PubMed:Occurrence of prenylated proteins in plant cells.
PubMed:Determination of cocaine and benzoylecgonine by derivatization with iodomethane-D3 or PFPA/HFIP in human blood and urine using GC/MS (EI or PCI mode).
PubMed:Covalent modification of proteins by ligands of steroid hormone receptors.
PubMed:A convenient method for regional monoamine oxidase-A determination by [14C]clorgyline autoradiography.
PubMed:Synthesis and biodistribution of a new radiotracer for in vivo labeling of serotonin uptake sites by PET, cis-N,N-[11C]dimethyl-3-(2',4'-dichlorophenyl)-indanamine (cis-[11C]DDPI).
PubMed:Nitric oxide stimulates the ADP-ribosylation of a 41-kDa cytosolic protein in Dictyostelium discoideum.
PubMed:Synthesis and regional rat brain distribution of [11C]MDL 72222: a 5HT3 receptor antagonist.
PubMed:1-Acyl-, 3-acyl- and 1,3-diacyl-3-furfuryl-1-phenylthioureas with platelet antiaggregating and other activities.
PubMed:Evaluation of the sites of opioid influence on anterior pituitary hormone secretion using a quaternary opiate antagonist.
PubMed:S-farnesylation and methyl esterification of C-terminal domain of yeast RAS2 protein prior to fatty acid acylation.
PubMed:Validated methods for degrading hazardous chemicals: some halogenated compounds.
PubMed:Gamma-subunits of G proteins, but not their alpha- or beta-subunits, are polyisoprenylated. Studies on post-translational modifications using in vitro translation with rabbit reticulocyte lysates.
PubMed:Analysis of glutathione S-transferase-catalyzed S-alkylglutathione formation by high-performance liquid chromatography.
PubMed:[Intravenous methyl iodide poisoning--detoxification using hemoperfusion].
PubMed:3,3-disubstituted 1-acyl-1-phenylthioureas with platelet antiaggregating and other activities.
PubMed:Citalopram: labelling with carbon-11 and evaluation in rat as a potential radioligand for in vivo PET studies of 5-HT re-uptake sites.
PubMed:Synthesis and biochemical evaluation of tritium-labeled 1-methyl-N-(8-methyl-8-azabicyclo[3.2.1]oct-3-yl)-1H-indazole-3-carboxa mide, a useful radioligand for 5HT3 receptors.
PubMed:Evidence for a super-reduced cobamide as the major corrinoid fraction in vivo and a histidine residue as a cobalt ligand of the p-cresolyl cobamide in the acetogenic bacterium Sporomusa ovata.
PubMed:Polyisoprenylation of Ras in vitro by a farnesyl-protein transferase.
PubMed:Nitroglycerin metabolism in subcellular fractions of rabbit liver. Dose dependency of glyceryl dinitrate formation and possible involvement of multiple isozymes of glutathione S-transferases.
PubMed:Analysis of bumetanide in human urine by high-performance liquid chromatography with fluorescence detection and gas chromatography/mass spectrometry.
PubMed:Facile synthesis of [11C]buprenorphine for positron emission tomographic studies of opioid receptors.
PubMed:Synthesis of a tritium-labeled indolidan analogue and its use as a radioligand for phosphodiesterase-inhibitor cardiotonic binding sites.
PubMed:Synthesis and in vivo characterization of D-(+)-(N1-[11C]methyl)-2-Br-LSD: a radioligand for positron emission tomographic studies of serotonin 5-HT2 receptors.
PubMed:Preparation of [11C]- and [125I]IMB: a dopamine D-2 receptor antagonist.
PubMed:The radiosynthesis of [N-methyl-11C]-sertraline.
PubMed:Protection of phosphoglycerate kinase against in vitro aging by selective cysteine methylation.
PubMed:Effect of selective chemical modification and CNBr-cleavage at methionine20 in catalytic activity and substrate binding properties of porcine pancreatic phospholipase A2.
PubMed:(N-methyl-[11C])pyrilamine, a radiotracer for histamine H-1 receptors: radiochemical synthesis and biodistribution study in mice.
PubMed:The metabolism of acetonitrile to cyanide by isolated rat hepatocytes.
PubMed:The selective S-alkylation of a methionine residue in an elapid venom cardiotoxin.
PubMed:Radiosynthesis of a selective dopamine D-1 receptor antagonist: R(+)-7-chloro-8-hydroxy-3-[11C]methyl-1-phenyl-2,3,4,5-tetrahydro-1H-3 -benzazepine ([11C]SCH 23390).
PubMed:Synthesis of [11C]SCH 23390 for dopamine D1 receptor studies.
PubMed:Detection and quantitation of urinary 11-nor-delta-9-tetrahydrocannabinol-9-carboxylic acid, a metabolite of tetrahydrocannabinol, by capillary gas chromatography and electron impact mass fragmentography.
PubMed:A thin-layer chromatographic method for separating methyl esters of mycobacterial mycolic acids.
PubMed:Synthesis of some indole derivatives with potential antiinflammatory activity.
PubMed:Structure-activity relationships of phencyclidine derivatives in rat cerebellum.
PubMed:Carbon-11 choline: synthesis, purification, and brain uptake inhibition by 2-dimethylaminoethanol.
PubMed:Phosphorus-nitrogen compounds. 26. Phosphaminimides. 2. 2,2'-Phosphinylidenebis(1,1,1-trimethylhydrazinium) iodide inner salts as agents affecting ganglionic transmission.
PubMed:Radiosynthesis of an opiate receptor binding radiotracer: [11C]carfentanil.
PubMed:Imaging opiate receptors in the human brain by positron tomography.
PubMed:Mutagenesis at the ouabain-resistance locus of 3.7.2C L5178Y cells by chromosomal mutagens.
PubMed:Synthesis and characterization of methylbromoamiloride, a potential biochemical probe of epithelial Na+ channels.
PubMed:Mutagenic activity of some clastogenic chemicals at the hypoxanthine guanine phosphoribosyl transferase locus of Chinese hamster ovary cells.
PubMed:Purification and properties of glutathione S-transferases from larvae of Wiseana cervinata.
PubMed:A method for measuring the lifetime of chemically and metabolically generated electrophilic species.
PubMed:The mechanism of biliary excretion of methyl mercury: studies with methylthiols.
PubMed:Synthesis of 2-methyl and 2-carboxymethyl derivatives of ornithine and arginine.
PubMed:Central and peripheral sites of action for the protective effect of opioids of the rat stomach.
PubMed:Effect of phencyclidines on hippocampal pyramidal cells.
PubMed:Studies of the mode of action of antitumour triazenes and triazines-III. Metabolism studies on hexamethylmelamine.
PubMed:The effects on extraction wound healing of a new drug combination introduced for use in the prevention of post-extraction complications. A preliminary report.
PubMed:A new combination of drugs intended to be used as a preventive measure for the postextraction complications. A preliminary report.
PubMed:Gas-chromatographic assay for thiopental in plasma, with use of a nitrogen-specific detector.
PubMed:Quantification by gas chromatography of N,N'-di-(2-chloroethyl)-phosphorodiamidic acid in the plasma of patients receiving isophosphamide.
PubMed:4-[125I] iodophenyltrimethylammonium ion, an iodinated acetylcholinesterase inhibitor with potential as a myocardial imaging agent.
PubMed:Factors used for the estimation of gaseous radioactive iodine intake through vegetation-I. Uptake of methyliodide by spinach leaves.
PubMed:[On the plurifactorial determinism of the organophosphorous-induced teratogenesis on bird embryos; trials of protection by various compounds: oximes, hydroxamic acids and nicotinamide analogs (author's transl)].
PubMed:[Caffeine-11C, ephedrine-11C and methylephedrine-11C: Synthesis and distribution in mice (author's transl)].
PubMed:Inhibition of rabbit muscle creatine kinase by iodomethane [proceedings].
PubMed:Measurement of local cerebral blood flow with iodo [14C] antipyrine.
PubMed:Purification and some properties of glutathione-S-epoxide transferase from guinea pig liver.
PubMed:Excretion of sulfobromophthalein in rats with iodomethane-induced depletion of hepatic glutathione.
PubMed:Hepatic synthesis of carnitine from protein-bound trimethyl-lysine. Lysosomal digestion of methyl-lysine-labelled asialo-fetuin.
PubMed:[Reactivation of phosphorylated acetylcholinesterase (AChE): quaternary salts of vinylogous pyridinaldoxims (author's transl)].
PubMed:The identity of glutathione S-transferase B with ligandin, a major binding protein of liver.
PubMed:[The acetylcholine inhibiting action of securinine-N-methyliodide].
PubMed:Sulfobromophthalein metabolism and excretion in rats with iodomethane-induced depletion of hepatic glutathione.
PubMed:[Kinetics of decomposition of benzilic acid esters. 3. Study of kinetics of decomposition of benactyzine hydrochloride and methyliodide and diphemin hydrochloride].
PubMed:Studies on glutathione S-alkyltransferase of the rat.
PubMed:Metabolism of iodomethane in the rat.
PubMed:[On the action of a new anticholineric agent in the therapy of gastric and duodenal ulcers. 2,2-diphenyl-4-diisopropylaminobuyrramide methyliodide (Priamide) in the early suppression of pain in the ulcer patient].
PubMed:[Comparative effects, on nervous centers, of atropine and 2,2-diphenyl-4-isopropylaminobutyramide methyliodide].
PubMed:[On the mechanism of action of pyridine-2-aldoxime-N-methyliodide].
PubMed:[Trial of a new synthetic anticholinergic in gastroenterology (2,2-diphenyl-4-disopropylaminobutyramide methyliodide)].
PubMed:[Is parenteral injection necessary in the treatment of the ulcerous crisis? Comparative study of the action of 2,2-diphenyl-4-diisopropylaminobutyramide methyliodide, of bismuth and of sodium oxyferriscorbone on the painful ulcerous crisis].
PubMed:The inhibition of basal gastric secretion and of the gastric secretory response to histamine by 2:2-diphenyl-4-diisopropylamino-butyramide methyliodide in man.
PubMed:[Myelography with a resorption substance].
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