*** CHEMICAL IDENTIFICATION ***
RTECS NUMBER : PA5270000
CHEMICAL NAME : Methane, bromochlorodifluoro-
CAS REGISTRY NUMBER : 353-59-3
BEILSTEIN REFERENCE NO. : 1732514
REFERENCE : 4-01-00-00075 (Beilstein Handbook Reference)
LAST UPDATED : 199801
DATA ITEMS CITED : 11
MOLECULAR FORMULA : C-Br-Cl-F2
MOLECULAR WEIGHT : 165.37
WISWESSER LINE NOTATION : GXFFE
COMPOUND DESCRIPTOR : Mutagen
Human
SYNONYMS/TRADE NAMES :
* BCF
* Bromochlorodifluoromethane
* Chlorodifluoromonobromomethane
* Daiflon 12B1
* Dwufluorochlorobromometan
* Flugex 12B1
* Fluorocarbon 1211
* Freon 12B1
* Halon 1211
*** HEALTH HAZARD DATA ***
** ACUTE TOXICITY DATA **
TYPE OF TEST : TCLo - Lowest published toxic concentration
ROUTE OF EXPOSURE : Inhalation
SPECIES OBSERVED : Human - man
DOSE/DURATION : 4 pph/1M
TOXIC EFFECTS :
Peripheral Nerve and Sensation - paresthesis
Behavioral - hallucinations, distorted perceptions
Cardiac - EKG changes not diagnostic of specified effects
REFERENCE :
NTIS** National Technical Information Service. (Springfield, VA 22161)
Formerly U.S. Clearinghouse for Scientific & Technical Information.
Volume(issue)/page/year: OTS0571363
TYPE OF TEST : LC50 - Lethal concentration, 50 percent kill
ROUTE OF EXPOSURE : Inhalation
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : 20 pph/15M
TOXIC EFFECTS :
Behavioral - tremor
Behavioral - convulsions or effect on seizure threshold
Lungs, Thorax, or Respiration - respiratory depression
REFERENCE :
HUTODJ Human Toxicology. (Macmillan Press Ltd., Houndmills, Basingstoke,
Hants., RG 21 2XS, UK) V.1- 1981- Volume(issue)/page/year: 1,239,1982
TYPE OF TEST : LCLo - Lowest published lethal concentration
ROUTE OF EXPOSURE : Inhalation
SPECIES OBSERVED : Mammal - dog
DOSE/DURATION : 5 pph/30M
TOXIC EFFECTS :
Behavioral - tremor
Behavioral - convulsions or effect on seizure threshold
Cardiac - other changes
REFERENCE :
NTIS** National Technical Information Service. (Springfield, VA 22161)
Formerly U.S. Clearinghouse for Scientific & Technical Information.
Volume(issue)/page/year: OTS0571363
TYPE OF TEST : LCLo - Lowest published lethal concentration
ROUTE OF EXPOSURE : Inhalation
SPECIES OBSERVED : Rodent - guinea pig
DOSE/DURATION : 30 pph/2H
TOXIC EFFECTS :
Behavioral - convulsions or effect on seizure threshold
REFERENCE :
ZAARAM Zentralblatt fuer Arbeitsmedizin und Arbeitsschutz. (Darmstadt, Fed.
Rep. Ger.) V.1-25, 1951-75. Volume(issue)/page/year: 21,149,1971
** OTHER MULTIPLE DOSE TOXICITY DATA **
TYPE OF TEST : TCLo - Lowest published toxic concentration
ROUTE OF EXPOSURE : Inhalation
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : 210 ug/m3/4H/12W-I
TOXIC EFFECTS :
Blood - pigmented or nucleated red blood cells
Blood - changes in erythrocyte (RBC) count
Blood - changes in platelet count
REFERENCE :
BCTKAG Bromatologia i Chemia Toksykologiczna. (Ars Polona, POB 1001, 00-068
Warsaw 1, Poland) V.4- 1971- Volume(issue)/page/year: 17,41,1984
TYPE OF TEST : TCLo - Lowest published toxic concentration
ROUTE OF EXPOSURE : Inhalation
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : 1 pph/6H/3W-I
TOXIC EFFECTS :
Behavioral - somnolence (general depressed activity)
REFERENCE :
NTIS** National Technical Information Service. (Springfield, VA 22161)
Formerly U.S. Clearinghouse for Scientific & Technical Information.
Volume(issue)/page/year: OTS0571363
** MUTATION DATA **
TYPE OF TEST : Mutation in microorganisms
TEST SYSTEM : Bacteria - Salmonella typhimurium
DOSE/DURATION : 10 pph
REFERENCE :
MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE
Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 142,187,1985
*** OCCUPATIONAL EXPOSURE LIMITS ***
OEL-RUSSIA:STEL 1000 mg/m3 JAN 1993
*** STATUS IN U.S. ***
EPA TSCA Section 8(b) CHEMICAL INVENTORY
EPA TSCA Section 8(e) Risk Notification, 8EHQ-0892-9154
EPA TSCA TEST SUBMISSION (TSCATS) DATA BASE, JUNE 1998
*** END OF RECORD ***
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