CAS 74-97-5|Bromochloromethane

CHEMICAL IDENTIFICATION

RTECS NUMBER :

PA5250000

CHEMICAL NAME :

Methane, bromochloro-

CAS REGISTRY NUMBER :

74-97-5

BEILSTEIN REFERENCE NO. :

1730801

LAST UPDATED :

199712

DATA ITEMS CITED :

40

MOLECULAR FORMULA :

C-H2-Br-Cl

MOLECULAR WEIGHT :

129.39

WISWESSER LINE NOTATION :

G1E

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :

LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :

Oral

SPECIES OBSERVED :

Rodent - rat

DOSE/DURATION :

5 gm/kg

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 - rat

DOSE/DURATION :

28800 ppm/15M

TOXIC EFFECTS :

Behavioral - general anesthetic Behavioral - altered sleep time (including change in righting reflex) Behavioral - tremor

TYPE OF TEST :

LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :

Oral

SPECIES OBSERVED :

Rodent - mouse

DOSE/DURATION :

4300 mg/kg

TOXIC EFFECTS :

Behavioral - general anesthetic

TYPE OF TEST :

LC50 - Lethal concentration, 50 percent kill

ROUTE OF EXPOSURE :

Inhalation

SPECIES OBSERVED :

Rodent - mouse

DOSE/DURATION :

12030 mg/m3/7H

TOXIC EFFECTS :

Behavioral - general anesthetic Behavioral - muscle weakness Lungs, Thorax, or Respiration - dyspnea

TYPE OF TEST :

LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :

Administration onto the skin

SPECIES OBSERVED :

Rodent - rabbit

DOSE/DURATION :

>20 gm/kg

TOXIC EFFECTS :

Details of toxic effects not reported other than lethal dose value

TYPE OF TEST :

TCLo - Lowest published toxic concentration

ROUTE OF EXPOSURE :

Inhalation

SPECIES OBSERVED :

Rodent - rat

DOSE/DURATION :

1000 ppm/7H/16W-I

TOXIC EFFECTS :

Liver - fatty liver degeneration Kidney, Ureter, Bladder - changes in bladder weight Nutritional and Gross Metabolic - changes in metals, not otherwise specified

TYPE OF TEST :

TCLo - Lowest published toxic concentration

ROUTE OF EXPOSURE :

Inhalation

SPECIES OBSERVED :

Rodent - rat

DOSE/DURATION :

500 ppm/6H/26W-I

TOXIC EFFECTS :

Lungs, Thorax, or Respiration - fibrosis, focal (pneumoconiosis) Nutritional and Gross Metabolic - weight loss or decreased weight gain Nutritional and Gross Metabolic - changes in metals, not otherwise specified

TYPE OF TEST :

TCLo - Lowest published toxic concentration

ROUTE OF EXPOSURE :

Inhalation

SPECIES OBSERVED :

Mammal - dog

DOSE/DURATION :

500 ppm/6H/26W-I

TOXIC EFFECTS :

Nutritional and Gross Metabolic - changes in metals, not otherwise specified

TYPE OF TEST :

TCLo - Lowest published toxic concentration

ROUTE OF EXPOSURE :

Inhalation

SPECIES OBSERVED :

Rodent - rabbit

DOSE/DURATION :

1000 ppm/7H/16W-I

TOXIC EFFECTS :

Nutritional and Gross Metabolic - changes in metals, not otherwise specified

MUTATION DATA

TYPE OF TEST :

Sister chromatid exchange

TEST SYSTEM :

Rodent - hamster Lung

REFERENCE :

TECSDY Toxicological and Environmental Chemistry. (Gordon & Breach Science Pub. Inc., 1 Park Ave., New York, NY 10016) V.3(3/4)- 1981- Volume(issue)/page/year: 13,205,1987 *** REVIEWS *** ACGIH TLV-TWA 1060 mg/m3 (200 ppm) 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 *** U.S. STANDARDS AND REGULATIONS *** MSHA STANDARD-air:TWA 200 ppm (1050 mg/m3) 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: 3,50,1971 OSHA PEL (Gen Indu):8H TWA 200 ppm (1050 mg/m3) 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 200 ppm (1050 mg/m3) 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 200 ppm (1050 mg/m3) 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 200 ppm (1050 mg/m3) 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 200 ppm (1050 mg/m3);STEL 250 ppm (1300 mg/m3) JAN 1993 OEL-AUSTRIA:TWA 200 ppm (1050 mg/m3) JAN 1993 OEL-DENMARK:TWA 200 ppm (1050 mg/m3) JAN 1993 OEL-FINLAND:TWA 200 ppm (1050 mg/m3);STEL 250 ppm (1315 mg/m3) JAN 1993 OEL-FRANCE:TWA 200 ppm (1050 mg/m3) JAN 1993 OEL-GERMANY:TWA 200 ppm (1050 mg/m3) JAN 1993 OEL-THE NETHERLANDS:TWA 200 ppm (1050 mg/m3) JAN 1993 OEL-THE PHILIPPINES:TWA 200 ppm (1050 mg/m3) JAN 1993 OEL-SWITZERLAND:TWA 200 ppm (1050 mg/m3);STEL 400 ppm JAN 1993 OEL-TURKEY:TWA 200 ppm (1050 mg/m3) JAN 1993 OEL-UNITED KINGDOM:TWA 200 ppm (1050 mg/m3);STEL 250 ppm 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 CHLOROBROMOMETHANE-air:10H TWA 200 ppm 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 - 18250 No. of Facilities: 7 (estimated) No. of Industries: 1 No. of Occupations: 2 No. of Employees: 56 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 18250 No. of Facilities: 35 (estimated) No. of Industries: 1 No. of Occupations: 1 No. of Employees: 71 (estimated)

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