*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : KH6475000
CHEMICAL NAME           : Ethane, bromo-
CAS REGISTRY NUMBER     : 74-96-4
LAST UPDATED            : 199712
DATA ITEMS CITED        : 49
MOLECULAR FORMULA       : C2-H5-Br
MOLECULAR WEIGHT        : 108.98
WISWESSER LINE NOTATION : E2
COMPOUND DESCRIPTOR     : Tumorigen
                          Mutagen
SYNONYMS/TRADE NAMES :
   * Bromic ether
   * Bromoethane
   * Bromure d'ethyle
   * Ethyl bromide
   * Etylu bromek
   * Halon 2001
   * Hydrobromic ether
   * Monobromoethane
   * NCI-C55481
 
                       *** 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           : 1350 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   85GMAT "Toxicometric Parameters of Industrial Toxic Chemicals Under Single
   Exposure," Izmerov, N.F., et al., Moscow, Centre of International Projects,
   GKNT, 1982  Volume(issue)/page/year: -,65,1982
 
TYPE OF TEST            : LC50 - Lethal concentration, 50 percent kill
ROUTE OF EXPOSURE       : Inhalation
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 26980 ppm/1H
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   AMRL** Aerospace Medical Research Laboratory Report.  (Aerospace Technical
   Div., Air Force Systems Command, Wright-Patterson Air Force Base, OH 45433)
   Volume(issue)/page/year: TR-72-62,1972
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 1750 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   JPCEAO Journal fuer Praktische Chemie.  (Johann Ambrosius Barth Verlag,
   Postfach 109, Leipzig DDR-7010, Ger. Dem. Rep.)  V.1-    1834-
   Volume(issue)/page/year: 320,133,1978
 
TYPE OF TEST            : LC50 - Lethal concentration, 50 percent kill
ROUTE OF EXPOSURE       : Inhalation
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 16230 ppm/1H
TOXIC EFFECTS :
   Behavioral - somnolence (general depressed activity)
   Gastrointestinal - hypermotility, diarrhea
REFERENCE :
   AMRL** Aerospace Medical Research Laboratory Report.  (Aerospace Technical
   Div., Air Force Systems Command, Wright-Patterson Air Force Base, OH 45433)
   Volume(issue)/page/year: TR-72-62,1972
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 2850 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   JPCEAO Journal fuer Praktische Chemie.  (Johann Ambrosius Barth Verlag,
   Postfach 109, Leipzig DDR-7010, Ger. Dem. Rep.)  V.1-    1834-
   Volume(issue)/page/year: 320,133,1978
 
                 ** OTHER MULTIPLE DOSE TOXICITY DATA **
 
TYPE OF TEST            : TCLo - Lowest published toxic concentration
ROUTE OF EXPOSURE       : Inhalation
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 2 pph/6H/14D-I
TOXIC EFFECTS :
   Related to Chronic Data - death
REFERENCE :
   NTPTR* National Toxicology Program Technical Report Series.  (Research
   Triangle Park, NC 27709) No.206-  Volume(issue)/page/year: NTP-TR-363,1989
 
TYPE OF TEST            : TCLo - Lowest published toxic concentration
ROUTE OF EXPOSURE       : Inhalation
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 1600 ppm/6H/14W-I
TOXIC EFFECTS :
   Blood - changes in spleen
   Related to Chronic Data - death
REFERENCE :
   NTPTR* National Toxicology Program Technical Report Series.  (Research
   Triangle Park, NC 27709) No.206-  Volume(issue)/page/year: NTP-TR-363,1989
 
TYPE OF TEST            : TCLo - Lowest published toxic concentration
ROUTE OF EXPOSURE       : Inhalation
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 1 pph/6H/14D-I
TOXIC EFFECTS :
   Related to Chronic Data - death
REFERENCE :
   NTPTR* National Toxicology Program Technical Report Series.  (Research
   Triangle Park, NC 27709) No.206-  Volume(issue)/page/year: NTP-TR-363,1989
 
                          ** TUMORIGENIC DATA **
 
TYPE OF TEST            : TCLo - Lowest published toxic concentration
ROUTE OF EXPOSURE       : Inhalation
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 100 ppm/6H/2Y-I
TOXIC EFFECTS :
   Tumorigenic - equivocal tumorigenic agent by RTECS criteria
   Brain and Coverings - tumors
REFERENCE :
   NTPTR* National Toxicology Program Technical Report Series.  (Research
   Triangle Park, NC 27709) No.206-  Volume(issue)/page/year: NTP-TR-363,1989
 
TYPE OF TEST            : TCLo - Lowest published toxic concentration
ROUTE OF EXPOSURE       : Inhalation
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 200 ppm/6H/2Y-I
TOXIC EFFECTS :
   Tumorigenic - Carcinogenic by RTECS criteria
   Reproductive - Tumorigenic effects - uterine tumors
REFERENCE :
   NTPTR* National Toxicology Program Technical Report Series.  (Research
   Triangle Park, NC 27709) No.206-  Volume(issue)/page/year: NTP-TR-363,1989
 
                            ** MUTATION DATA **
 
TYPE OF TEST            : Mutation in microorganisms
TEST SYSTEM             : Bacteria - Salmonella typhimurium
DOSE/DURATION           : 75 ng/plate
REFERENCE :
   NTPTR* National Toxicology Program Technical Report Series.  (Research
   Triangle Park, NC 27709) No.206-  Volume(issue)/page/year: NTP-TR-363,1989
 
TYPE OF TEST            : Sister chromatid exchange
TEST SYSTEM             : Rodent - hamster Ovary
DOSE/DURATION           : 100 mg/L
REFERENCE :
   EMMUEG Environmental and Molecular Mutagenesis.  (Alan R. Liss, Inc., 41 E.
   11th St., New York, NY 10003)  V.10-    1987-  Volume(issue)/page/year:
   13,60,1989

                              *** REVIEWS ***
 
   ACGIH TLV-Animal 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 22 mg/m3 (5 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: 52,299,1991

   IARC Cancer Review:Human No Available 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: 52,299,1991

   IARC Cancer Review:Group 3
   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: 52,299,1991

                    *** U.S. STANDARDS AND REGULATIONS ***
 
   MSHA STANDARD-air:TWA 200 ppm (890 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:
   3,105,1971

   OSHA PEL (Gen Indu):8H TWA 200 ppm (890 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 (890 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 (890 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 (890 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 (890 mg/m3);STEL 250 ppm (1110 mg/m3) JAN 1993
   
   OEL-AUSTRIA:TWA 200 ppm (890 mg/m3) JAN 1993
   
   OEL-BELGIUM:TWA 200 ppm (891 mg/m3);STEL 250 ppm (1100 mg/m3) JAN 1993
   
   OEL-DENMARK:TWA 200 ppm (890 mg/m3) JAN 1993
   
   OEL-FINLAND:TWA 200 ppm (890 mg/m3);STEL 250 ppm (1115 mg/m3) JAN 1993
   
   OEL-FRANCE:TWA 288 ppm (890 mg/m3) JAN 1993
   
   OEL-GERMANY:TWA 200 ppm (890 mg/m3) JAN 1993
   
   OEL-HUNGARY:TWA 50 mg/m3;STEL 100 mg/m3;Skin JAN 1993
   
   OEL-THE NETHERLANDS:TWA 200 ppm (890 mg/m3) JAN 1993
   
   OEL-THE PHILIPPINES:TWA 300 ppm (890 mg/m3) JAN 1993
   
   OEL-POLAND:TWA 50 mg/m3 JAN 1993
   
   OEL-RUSSIA:STEL 5 mg/m3 JAN 1993
   
   OEL-SWITZERLAND:TWA 200 ppm (890 mg/m3);STEL 1000 ppm JAN 1993
   
   OEL-TURKEY:TWA 200 ppm (890 mg/m3) JAN 1993
   
   OEL-UNITED KINGDOM:TWA 200 ppm (890 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 OCCUPATIONAL EXPOSURE SURVEY DATA :
   NOHS - National Occupational Hazard Survey (1974)
     NOHS Hazard Code - 31900
       No. of Facilities: 14 (estimated)
       No. of Industries: 1
       No. of Occupations: 1
       No. of Employees: 196 (estimated)
   
   NOES - National Occupational Exposure Survey (1983)
     NOES Hazard Code - 31900
       No. of Facilities: 1452 (estimated)
       No. of Industries: 15
       No. of Occupations: 13
       No. of Employees: 12285 (estimated)
       No. of Female Employees: 1535 (estimated)

                          *** STATUS IN U.S. ***
 
   EPA GENETOX PROGRAM 1988, Inconclusive: D melanogaster Sex-linked lethal
   
   EPA TSCA Section 8(b) CHEMICAL INVENTORY
   
   EPA TSCA Section 8(d) unpublished health/safety studies
   
   On EPA IRIS database
   
   EPA TSCA TEST SUBMISSION (TSCATS) DATA BASE, JUNE 1998
   
   NIOSH Analytical Method, 1994: Ethyl bromide, 1011
   
   NTP Carcinogenesis Studies (inhalation);clear evidence:mouse
   NTPTR* National Toxicology Program Technical Report Series.  (Research
   Triangle Park, NC 27709) No.206-  Volume(issue)/page/year: NTP-TR-363,89

   NTP Carcinogenesis Studies (inhalation);some evidence:rat
   NTPTR* National Toxicology Program Technical Report Series.  (Research
   Triangle Park, NC 27709) No.206-  Volume(issue)/page/year: NTP-TR-363,89

 
                            *** END OF RECORD ***