methyl iodide

Modify Date: 2024-01-02 14:50:34

methyl iodide Structure
methyl iodide structure
Common Name methyl iodide
CAS Number 74-88-4 Molecular Weight 141.939
Density 2.2±0.1 g/cm3 Boiling Point 40.3±3.0 °C at 760 mmHg
Molecular Formula CH3I Melting Point −64(lit.)
MSDS Chinese USA Flash Point 7.8±10.7 °C
Symbol GHS06 GHS08
GHS06, GHS08
Signal Word Danger

 Names

Name iodomethane
Synonym More Synonyms

 Chemical & Physical Properties

Density 2.2±0.1 g/cm3
Boiling Point 40.3±3.0 °C at 760 mmHg
Melting Point −64(lit.)
Molecular Formula CH3I
Molecular Weight 141.939
Flash Point 7.8±10.7 °C
Exact Mass 141.927933
LogP 1.50
Vapour density 4.89 (vs air)
Vapour Pressure 437.1±0.1 mmHg at 25°C
Index of Refraction 1.528
Water Solubility 14 g/L (20 ºC)

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
PA9450000
CHEMICAL NAME :
Methane, iodo-
CAS REGISTRY NUMBER :
74-88-4
LAST UPDATED :
199712
DATA ITEMS CITED :
61
MOLECULAR FORMULA :
C-H3-I
MOLECULAR WEIGHT :
141.94
WISWESSER LINE NOTATION :
I1

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
Standard Draize test
ROUTE OF EXPOSURE :
Administration onto the skin
SPECIES OBSERVED :
Human
TYPE OF TEST :
Standard Draize test
ROUTE OF EXPOSURE :
Administration onto the skin
SPECIES OBSERVED :
Rodent - rat
TYPE OF TEST :
Standard Draize test
ROUTE OF EXPOSURE :
Administration onto the skin
SPECIES OBSERVED :
Rodent - rabbit
TYPE OF TEST :
Standard Draize test
ROUTE OF EXPOSURE :
Administration into the eye
SPECIES OBSERVED :
Rodent - rabbit
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
76 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LC50 - Lethal concentration, 50 percent kill
ROUTE OF EXPOSURE :
Inhalation
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
1300 mg/m3/4H
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
101 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Subcutaneous
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
110 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LC50 - Lethal concentration, 50 percent kill
ROUTE OF EXPOSURE :
Inhalation
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
5 gm/m3/57M-C
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
172 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Subcutaneous
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
110 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rabbit
DOSE/DURATION :
70 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE :
Administration onto the skin
SPECIES OBSERVED :
Rodent - rabbit
DOSE/DURATION :
794 mg/kg
TOXIC EFFECTS :
Lungs, Thorax, or Respiration - other changes Gastrointestinal - other changes Blood - hemorrhage
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Administration onto the skin
SPECIES OBSERVED :
Rodent - guinea pig
DOSE/DURATION :
800 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - guinea pig
DOSE/DURATION :
51 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Subcutaneous
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
50 mg/kg
TOXIC EFFECTS :
Tumorigenic - equivocal tumorigenic agent by RTECS criteria Gastrointestinal - colon tumors Tumorigenic - tumors at site of application
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
44 mg/kg/8W-I
TOXIC EFFECTS :
Tumorigenic - neoplastic by RTECS criteria Lungs, Thorax, or Respiration - tumors

MUTATION DATA

TYPE OF TEST :
Mutation in mammalian somatic cells
TEST SYSTEM :
Rodent - hamster Ovary
REFERENCE :
MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 136,137,1984 *** REVIEWS *** ACGIH TLV-TWA 12 mg/m3 (2 ppm) (skin) DTLVS* The Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs) booklet issues by American Conference of Governmental Industrial Hygienists (ACGIH), Cincinnati, OH, 1996 Volume(issue)/page/year: TLV/BEI,1997 IARC Cancer Review:Animal Limited Evidence IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man. (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210) V.1- 1972- Volume(issue)/page/year: 41,213,1986 IARC Cancer Review:Human No Adequate Data IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man. (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210) V.1- 1972- Volume(issue)/page/year: 41,213,1986 IARC Cancer Review:Group 3 IMSUDL IARC Monographs, Supplement. (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210) No.1- 1979- Volume(issue)/page/year: 7,56,1987 *** U.S. STANDARDS AND REGULATIONS *** MSHA STANDARD-air:TWA 5 ppm (28 mg/m3) (skin) DTLVS* The Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs) booklet issues by American Conference of Governmental Industrial Hygienists (ACGIH), Cincinnati, OH, 1996 Volume(issue)/page/year: 3,166,1971 OSHA PEL (Gen Indu):8H TWA 5 ppm (28 mg/m3) (skin) CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) Volume(issue)/page/year: 29,1910.1000,1994 OSHA PEL (Construc):8H TWA 5 ppm (28 mg/m3) (skin) CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) Volume(issue)/page/year: 29,1926.55,1994 OSHA PEL (Shipyard):8H TWA 5 ppm (28 mg/m3) (skin) CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) Volume(issue)/page/year: 29,1915.1000,1993 OSHA PEL (Fed Cont):8H TWA 5 ppm (28 mg/m3) (skin) CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) Volume(issue)/page/year: 41,50-204.50,1994 *** OCCUPATIONAL EXPOSURE LIMITS *** OEL-AUSTRALIA:TWA 2 ppm (10 mg/m3);Skin;Carcinogen JAN 1993 OEL-BELGIUM:TWA 2 ppm (12 mg/m3);Skin;Carcinogen JAN 1993 OEL-DENMARK:TWA 1 ppm (5.6 mg/m3);Skin JAN 1993 OEL-FINLAND:TWA 5 ppm (28 mg/m3);STEL 10 ppm (56 mg/m3);Skin JAN 1993 OEL-GERMANY;Carcinogen JAN 1993 OEL-THE NETHERLANDS:TWA 2 ppm (10 mg/m3);Skin JAN 1993 OEL-THE PHILIPPINES:TWA 5 ppm (28 mg/m3);Skin JAN 1993 OEL-POLAND:TWA 10 mg/m3 JAN 1993 OEL-SWEDEN:TWA 1 ppm (6 mg/m3);STEL 5 ppm (30 mg/m3);Skin;Carcinogen JAN 1993 OEL-SWITZERLAND:TWA 2 ppm (12 mg/m3);Skin JAN 1993 OEL-UNITED KINGDOM:TWA 5 ppm (28 mg/m3);STEL 10 ppm;Skin JAN 1993 OEL IN BULGARIA, COLOMBIA, JORDAN, KOREA check ACGIH TLV OEL IN NEW ZEALAND, SINGAPORE, VIETNAM check ACGIH TLV *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH RECOMMENDED EXPOSURE LEVEL (REL) : NIOSH REL TO METHYL IODIDE-air:10H CA TWA 2 ppm (Sk) (1.7 ppm LOQ) REFERENCE : NIOSH* National Institute for Occupational Safety and Health, U.S. Dept. of Health, Education, and Welfare, Reports and Memoranda. Volume(issue)/page/year: DHHS #92-100,1992 NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - M0422 No. of Facilities: 26 (estimated) No. of Industries: 2 No. of Occupations: 4 No. of Employees: 413 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - M0422 No. of Facilities: 34 (estimated) No. of Industries: 2 No. of Occupations: 6 No. of Employees: 2182 (estimated) No. of Female Employees: 440 (estimated)

 Safety Information

Symbol GHS06 GHS08
GHS06, GHS08
Signal Word Danger
Hazard Statements H301-H312-H315-H331-H335-H351
Precautionary Statements P261-P280-P301 + P310-P311
Personal Protective Equipment Faceshields;full-face respirator (US);Gloves;Goggles;multi-purpose combination respirator cartridge (US)
Hazard Codes F:Flammable
Risk Phrases R11;R21;R23/25;R37/38;R40
Safety Phrases S36/37-S38-S45-S9-S24-S16
RIDADR UN 2644 6.1/PG 1
WGK Germany 1
RTECS PA9450000
Packaging Group I
Hazard Class 6.1
HS Code 2903399030

 Synthetic Route

 Customs

HS Code 2903399030
Summary 2903399030 iodomethane。supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward)。VAT:17.0%。tax rebate rate:13.0%。MFN tarrif:5.5%。general tariff:30.0%

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 Synonyms

methyl iodide
Methyl iodide [UN2644] [Poison]
CH3I
Jodmethan
I1
EINECS 200-819-5
Iodmethan
UN 2644
methyl iodine
MeI
MFCD00001073
methyliodide
iodo-methan
Methane, iodo-
methane iodide
Iodomethane
iodo-methane
Iodometano
10domethane
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