*** CHEMICAL IDENTIFICATION ***
RTECS NUMBER : PA6360000
CHEMICAL NAME : Methane, chlorodibromo-
CAS REGISTRY NUMBER : 124-48-1
BEILSTEIN REFERENCE NO. : 1731046
REFERENCE : 4-01-00-00081 (Beilstein Handbook Reference)
LAST UPDATED : 199710
DATA ITEMS CITED : 27
MOLECULAR FORMULA : C-H-Br2-Cl
MOLECULAR WEIGHT : 208.29
WISWESSER LINE NOTATION : GYEE
COMPOUND DESCRIPTOR : Tumorigen
Mutagen
SYNONYMS/TRADE NAMES :
* CDBM
* Chlorodibromomethane
* Dibromochloromethane
* Monochlorodibromomethane
* NCI-C55254
*** 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 : 370 mg/kg
TOXIC EFFECTS :
Peripheral Nerve and Sensation - flaccid paralysis without anesthesia
(usually neuromuscular blockage)
Behavioral - somnolence (general depressed activity)
Behavioral - tremor
REFERENCE :
SRTCAC Science Reports of the Research Institutes, Tohoku University, Series
C: Medicine. (Tohoku University, Research Institute for Tuberculosis and
Cancer, 4-1 Seiryo-machi, Sendai, Japan) V.1- 1949-
Volume(issue)/page/year: 36(1-4),10,1989
TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - mouse
DOSE/DURATION : 800 mg/kg
TOXIC EFFECTS :
Brain and Coverings - changes in circulation (hemorrhage, thrombosis, etc.)
Liver - fatty liver degeneration
Blood - hemorrhage
REFERENCE :
TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E.
First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year:
44,213,1978
** OTHER MULTIPLE DOSE TOXICITY DATA **
TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : 14 gm/kg/14D-I
TOXIC EFFECTS :
Liver - other changes
Kidney, Ureter, Bladder - other changes
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-282,1985
TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : 10 gm/kg/4W-C
TOXIC EFFECTS :
Liver - changes in liver weight
Kidney, Ureter, Bladder - changes in bladder weight
Nutritional and Gross Metabolic - weight loss or decreased weight gain
REFERENCE :
JTSCDR Journal of Toxicological Sciences. (Japanese Soc. of Toxicological
Sciences, 4th Floor, Gakkai Center Bldg., 4-16, Yayoi 2-chome, Bunkyo-ku,
Tokyo 113, Japan) V.1- 1976- Volume(issue)/page/year: 17,119,1992
TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : 8568 mg/kg/9W-I
TOXIC EFFECTS :
Blood - changes in erythrocyte (RBC) count
Nutritional and Gross Metabolic - weight loss or decreased weight gain
Biochemical - Enzyme inhibition, induction, or change in blood or tissue
levels - transaminases
REFERENCE :
GISAAA Gigiena i Sanitariya. For English translation, see HYSAAV. (V/O
Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1- 1936-
Volume(issue)/page/year: 50(4),80,1985
TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : 16250 mg/kg/13W-I
TOXIC EFFECTS :
Liver - fatty liver degeneration
Kidney, Ureter, Bladder - changes in tubules (including acute renal failure,
acute tubular necrosis)
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-282,1985
TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - mouse
DOSE/DURATION : 3500 mg/kg/14D-C
TOXIC EFFECTS :
Liver - changes in liver weight
Endocrine - changes in spleen weight
Nutritional and Gross Metabolic - weight loss or decreased weight gain
REFERENCE :
EVHPAZ EHP, Environmental Health Perspectives. (U.S. Government Printing
Office, Supt of Documents, Washington, DC 20402) No.1- 1972-
Volume(issue)/page/year: 46,117,1982
** TUMORIGENIC DATA **
TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - mouse
DOSE/DURATION : 52500 mg/kg/2Y-C
TOXIC EFFECTS :
Tumorigenic - Carcinogenic by RTECS criteria
Liver - tumors
REFERENCE :
NTPTR* National Toxicology Program Technical Report Series. (Research
Triangle Park, NC 27709) No.206- Volume(issue)/page/year: NTP-TR-282,1985
** MUTATION DATA **
TYPE OF TEST : Mutation in microorganisms
TEST SYSTEM : Bacteria - Salmonella typhimurium
DOSE/DURATION : 10 mg/plate
REFERENCE :
DHEFDK HEW Publication (FDA. United States). (Washington, DC) ?-1979(?).
For publisher information, see HPFSDS. Volume(issue)/page/year:
FDA-78-1046,1978
TYPE OF TEST : Gene conversion and mitotic recombination
TEST SYSTEM : Yeast - Saccharomyces cerevisiae
DOSE/DURATION : 100 mg/L
REFERENCE :
MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE
Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 155,53,1985
TYPE OF TEST : Sister chromatid exchange
TEST SYSTEM : Human Lymphocyte
DOSE/DURATION : 400 umol/L
REFERENCE :
ENVRAL Environmental Research. (Academic Press, Inc., 1 E. First St.,
Duluth, MN 55802) V.1- 1967- Volume(issue)/page/year: 32,72,1983
TYPE OF TEST : Cytogenetic analysis
ROUTE OF EXPOSURE : Intraperitoneal
TEST SYSTEM : Rodent - rat
DOSE/DURATION : 20800 ug/kg
REFERENCE :
MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE
Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 242,111,1990
TYPE OF TEST : Sister chromatid exchange
TEST SYSTEM : Rodent - rat Leukocyte
DOSE/DURATION : 2 mmol/L
REFERENCE :
MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE
Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 300,241,1993
TYPE OF TEST : Mutation test systems - not otherwise specified
ROUTE OF EXPOSURE : Oral
TEST SYSTEM : Rodent - mouse
DOSE/DURATION : 200 mg/kg
REFERENCE :
MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE
Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 343,157,1995
TYPE OF TEST : Sister chromatid exchange
ROUTE OF EXPOSURE : Oral
TEST SYSTEM : Rodent - mouse
DOSE/DURATION : 100 mg/kg/4D (Intermittent)
REFERENCE :
ENVRAL Environmental Research. (Academic Press, Inc., 1 E. First St.,
Duluth, MN 55802) V.1- 1967- Volume(issue)/page/year: 32,72,1983
TYPE OF TEST : Mutation in mammalian somatic cells
TEST SYSTEM : Rodent - mouse Lymphocyte
DOSE/DURATION : 100 mg/L
REFERENCE :
SCIEAS Science. (American Assoc. for the Advancement of Science, 1333 H
St., NW, Washington, DC 20005) V.1- 1895- Volume(issue)/page/year:
236,933,1987
TYPE OF TEST : Sister chromatid exchange
TEST SYSTEM : Rodent - hamster Ovary
DOSE/DURATION : 740 mg/L
REFERENCE :
SCIEAS Science. (American Assoc. for the Advancement of Science, 1333 H
St., NW, Washington, DC 20005) V.1- 1895- Volume(issue)/page/year:
236,933,1987
TYPE OF TEST : Sex chromosome loss and nondisjunction
TEST SYSTEM : Rodent - hamster Lung
DOSE/DURATION : 720 mg/L
REFERENCE :
MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE
Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 369,243,1996
*** REVIEWS ***
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: 52,243,1991
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: 52,243,1991
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: 52,243,1991
*** STATUS IN U.S. ***
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
NTP Carcinogenesis Studies (gavage);some evidence:mouse
NTPTR* National Toxicology Program Technical Report Series. (Research
Triangle Park, NC 27709) No.206- Volume(issue)/page/year: NTP-TR-282,85
NTP Carcinogenesis Studies (gavage);no evidence:rat
NTPTR* National Toxicology Program Technical Report Series. (Research
Triangle Park, NC 27709) No.206- Volume(issue)/page/year: NTP-TR-282,85
*** END OF RECORD ***