Methyl bromide

MOLECULAR FORMULA :

C-H3-Br

MOLECULAR WEIGHT :

94.95

WISWESSER LINE NOTATION :

E1

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :

LCLo - Lowest published lethal concentration

ROUTE OF EXPOSURE :

Inhalation

SPECIES OBSERVED :

Human - man

DOSE/DURATION :

60000 ppm/2H

TOXIC EFFECTS :

Behavioral - convulsions or effect on seizure threshold Lungs, Thorax, or Respiration - respiratory stimulation Gastrointestinal - nausea or vomiting

TYPE OF TEST :

LCLo - Lowest published lethal concentration

ROUTE OF EXPOSURE :

Inhalation

SPECIES OBSERVED :

Human - child

DOSE/DURATION :

1 gm/m3/2H

TOXIC EFFECTS :

Blood - change in clotting factors

TYPE OF TEST :

TCLo - Lowest published toxic concentration

ROUTE OF EXPOSURE :

Inhalation

SPECIES OBSERVED :

Human

DOSE/DURATION :

35 ppm

TOXIC EFFECTS :

Behavioral - anorexia (human) Gastrointestinal - nausea or vomiting Skin and Appendages - corrosive (after topical exposure)

TYPE OF TEST :

TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :

Administration onto the skin

SPECIES OBSERVED :

Human

DOSE/DURATION :

35 gm/m3/40M-I

TOXIC EFFECTS :

Skin and Appendages - dermatitis, irritative (after systemic exposure)

TYPE OF TEST :

LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :

Oral

SPECIES OBSERVED :

Rodent - rat

DOSE/DURATION :

214 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 :

302 ppm/8H

TOXIC EFFECTS :

Behavioral - changes in motor activity (specific assay) Nutritional and Gross Metabolic - weight loss or decreased weight gain Nutritional and Gross Metabolic - body temperature decrease

TYPE OF TEST :

LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :

Subcutaneous

SPECIES OBSERVED :

Rodent - rat

DOSE/DURATION :

135 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 :

1540 mg/m3/2H

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 :

Mammal - dog

DOSE/DURATION :

500 mg/kg

TOXIC EFFECTS :

Cardiac - pulse rate increase, without fall in BP Gastrointestinal - nausea or vomiting Nutritional and Gross Metabolic - body temperature decrease

TYPE OF TEST :

LC50 - Lethal concentration, 50 percent kill

ROUTE OF EXPOSURE :

Inhalation

SPECIES OBSERVED :

Rodent - rabbit

DOSE/DURATION :

28900 mg/m3/30M

TOXIC EFFECTS :

Details of toxic effects not reported other than lethal dose value

TYPE OF TEST :

LCLo - Lowest published lethal concentration

ROUTE OF EXPOSURE :

Inhalation

SPECIES OBSERVED :

Rodent - guinea pig

DOSE/DURATION :

300 ppm/9H

TOXIC EFFECTS :

Behavioral - muscle weakness Lungs, Thorax, or Respiration - fibrosis, focal (pneumoconiosis) Skin and Appendages - hair

TYPE OF TEST :

TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :

Oral

SPECIES OBSERVED :

Rodent - rat

DOSE/DURATION :

21840 mg/kg/2Y-C

TOXIC EFFECTS :

Kidney, Ureter, Bladder - other changes in urine composition Skin and Appendages - hair Nutritional and Gross Metabolic - weight loss or decreased weight gain

TYPE OF TEST :

TCLo - Lowest published toxic concentration

ROUTE OF EXPOSURE :

Inhalation

SPECIES OBSERVED :

Rodent - rat

DOSE/DURATION :

120 ppm/6H/13W-I

TOXIC EFFECTS :

Blood - pigmented or nucleated red blood cells Blood - changes in erythrocyte (RBC) count Nutritional and Gross Metabolic - weight loss or decreased weight gain

TYPE OF TEST :

TCLo - Lowest published toxic concentration

ROUTE OF EXPOSURE :

Inhalation

SPECIES OBSERVED :

Rodent - rat

DOSE/DURATION :

150 ppm/6H/5D-I

TOXIC EFFECTS :

Biochemical - Enzyme inhibition, induction, or change in blood or tissue levels - other transferases Biochemical - Metabolism (Intermediary) - amino acids (including renal excretion)

TYPE OF TEST :

TCLo - Lowest published toxic concentration

ROUTE OF EXPOSURE :

Inhalation

SPECIES OBSERVED :

Rodent - rat

DOSE/DURATION :

160 ppm/6H/6W-I

TOXIC EFFECTS :

Brain and Coverings - other degenerative changes Sense Organs and Special Senses (Olfaction) - effect, not otherwise specified Cardiac - other changes

TYPE OF TEST :

TCLo - Lowest published toxic concentration

ROUTE OF EXPOSURE :

Inhalation

SPECIES OBSERVED :

Rodent - rat

DOSE/DURATION :

300 ppm/4H/3W-I

TOXIC EFFECTS :

Behavioral - somnolence (general depressed activity) Behavioral - ataxia Related to Chronic Data - death

TYPE OF TEST :

TCLo - Lowest published toxic concentration

ROUTE OF EXPOSURE :

Inhalation

SPECIES OBSERVED :

Rodent - mouse

DOSE/DURATION :

200 ppm/6H/14D-I

TOXIC EFFECTS :

Related to Chronic Data - death

TYPE OF TEST :

TCLo - Lowest published toxic concentration

ROUTE OF EXPOSURE :

Inhalation

SPECIES OBSERVED :

Rodent - mouse

DOSE/DURATION :

120 ppm/6H/13W-I

TOXIC EFFECTS :

Behavioral - muscle contraction or spasticity Nutritional and Gross Metabolic - weight loss or decreased weight gain Related to Chronic Data - death

TYPE OF TEST :

TCLo - Lowest published toxic concentration

ROUTE OF EXPOSURE :

Inhalation

SPECIES OBSERVED :

Rodent - mouse

DOSE/DURATION :

160 ppm/6H/6W-I

TOXIC EFFECTS :

Kidney, Ureter, Bladder - changes in tubules (including acute renal failure, acute tubular necrosis) Endocrine - other changes Blood - changes in spleen

TYPE OF TEST :

TCLo - Lowest published toxic concentration

ROUTE OF EXPOSURE :

Inhalation

SPECIES OBSERVED :

Primate - monkey

DOSE/DURATION :

250 mg/m3/8H/26W-I

TOXIC EFFECTS :

Peripheral Nerve and Sensation - spastic paralysis with or without sensory change Behavioral - convulsions or effect on seizure threshold

TYPE OF TEST :

TCLo - Lowest published toxic concentration

ROUTE OF EXPOSURE :

Inhalation

SPECIES OBSERVED :

Rodent - rabbit

DOSE/DURATION :

130 mg/m3/8H/26W-I

TOXIC EFFECTS :

Peripheral Nerve and Sensation - spastic paralysis with or without sensory change Lungs, Thorax, or Respiration - fibrosis, focal (pneumoconiosis) Related to Chronic Data - death

TYPE OF TEST :

TCLo - Lowest published toxic concentration

ROUTE OF EXPOSURE :

Inhalation

SPECIES OBSERVED :

Rodent - guinea pig

DOSE/DURATION :

850 mg/m3/8H/26W-I

TOXIC EFFECTS :

Peripheral Nerve and Sensation - spastic paralysis with or without sensory change Lungs, Thorax, or Respiration - chronic pulmonary edema Lungs, Thorax, or Respiration - dyspnea

TYPE OF TEST :

TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :

Oral

SPECIES OBSERVED :

Rodent - rat

DOSE/DURATION :

3250 mg/kg/13W-I

TOXIC EFFECTS :

Tumorigenic - Carcinogenic by RTECS criteria Gastrointestinal - peritonitis Gastrointestinal - tumors

TYPE OF TEST :

Specific locus test

TYPE OF TEST :

Sex chromosome loss and nondisjunction

TYPE OF TEST :

Micronucleus test

TYPE OF TEST :

Micronucleus test

TYPE OF TEST :

Sister chromatid exchange

MUTATION DATA

TYPE OF TEST :

Mutation in mammalian somatic cells

TEST SYSTEM :

Rodent - mouse Lymphocyte

REFERENCE :

MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 155,41,1985 *** REVIEWS *** ACGIH TLV-Not classifiable as a human carcinogen 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 ACGIH TLV-TWA 3.9 mg/m3 (1 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: 41,187,1986 IARC Cancer Review:Human Inadequate 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: 41,187,1986 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: 7,245,1987 *** U.S. STANDARDS AND REGULATIONS *** EPA FIFRA 1988 PESTICIDE SUBJECT TO REGISTRATION OR RE-REGISTRATION FEREAC Federal Register. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) V.1- 1936- Volume(issue)/page/year: 54,7740,1989 MSHA STANDARD-air:TWA 15 ppm (60 mg/m3) (skin) DTLWS* "Documentation of the Threshold Limit Values for Substances in Workroom Air," Supplements. For publisher information, see 85INA8. Volume(issue)/page/year: 3,23,1973 OSHA PEL (Gen Indu):CL 20 ppm (80 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):CL 20 ppm (80 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):CL 20 ppm (80 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):CL 20 ppm (80 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-ARAB Republic of Egypt:TWA 5 ppm (20 mg/m3);Skin JAN 1993 OEL-AUSTRALIA:TWA 5 ppm (20 mg/m3);Skin JAN 1993 OEL-AUSTRIA:TWA 5 ppm (20 mg/m3) JAN 1993 OEL-BELGIUM:TWA 5 ppm (19 mg/m3);Skin JAN 1993 OEL-DENMARK:TWA 5 ppm (20 mg/m3);Skin JAN 1993 OEL-FINLAND:TWA 15 ppm (60 mg/m3);STEL 25 ppm (97 mg/m3);Skin JAN 1993 OEL-FRANCE:TWA 5 ppm (20 mg/m3) JAN 1993 OEL-GERMANY:TWA 5 ppm (20 mg/m3);Skin;Carcinogen JAN 1993 OEL-HUNGARY:TWA 10 mg/m3;STEL 20 mg/m3;Skin JAN 1993 OEL-THE NETHERLANDS:TWA 5 ppm (20 mg/m3);Skin JAN 1993 OEL-THE PHILIPPINES:TWA 20 ppm (80 mg/m3);Skin JAN 1993 OEL-POLAND:TWA 5 mg/m3 JAN 1993 OEL-RUSSIA:STEL 1 mg/m3 JAN 1993 OEL-SWEDEN:TWA 15 ppm (60 mg/m3);STEL 20 ppm (80 mg/m3);Skin JAN 1993 OEL-SWITZERLAND:TWA 5 ppm (20 mg/m3);STEL 10 ppm (40 mg/m3);Skin JAN 1993 OEL-THAILAND:TWA 20 ppm (80 mg/m3) JAN 1993 OEL-TURKEY:TWA 20 ppm (80 mg/m3) JAN 1993 OEL-UNITED KINGDOM:TWA 5 ppm (20 mg/m3);STEL 15 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 BROMIDE-air:CA lowest feasible concentration 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 - M0420 No. of Facilities: 597 (estimated) No. of Industries: 10 No. of Occupations: 14 No. of Employees: 15899 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - M0420 No. of Facilities: 513 (estimated) No. of Industries: 4 No. of Occupations: 5 No. of Employees: 5603 (estimated) No. of Female Employees: 975 (estimated)