*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : TX4140000
CHEMICAL NAME           : Propane, 1-bromo-2-methyl-
CAS REGISTRY NUMBER     : 78-77-3
LAST UPDATED            : 199709
DATA ITEMS CITED        : 5
MOLECULAR FORMULA       : C4-H9-Br
MOLECULAR WEIGHT        : 137.04
WISWESSER LINE NOTATION : E1Y1&1
COMPOUND DESCRIPTOR     : Tumorigen
                          Mutagen
SYNONYMS/TRADE NAMES :
   * Bromoisobutane
   * 1-Bromo-2-methylpropane
   * iso-Butyl bromide
   * Isobutyl bromide
 
                       *** HEALTH HAZARD DATA ***
 
                        ** ACUTE TOXICITY DATA **
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 1660 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   GTPZAB Gigiena Truda i Professional'nye Zabolevaniya.  Labor Hygiene and
   Occupational Diseases. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR)
   V.1-36, 1957-1992. For publisher information, see MTPEEI
   Volume(issue)/page/year: 20(12),52,1976
 
TYPE OF TEST            : LC50 - Lethal concentration, 50 percent kill
ROUTE OF EXPOSURE       : Inhalation
SPECIES OBSERVED        : Mammal - species unspecified
DOSE/DURATION           : 50500 mg/m3
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   GTPZAB Gigiena Truda i Professional'nye Zabolevaniya.  Labor Hygiene and
   Occupational Diseases. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR)
   V.1-36, 1957-1992. For publisher information, see MTPEEI
   Volume(issue)/page/year: 18(4),55,1974
 
                          ** TUMORIGENIC DATA **
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 3000 mg/kg/8W-I
TOXIC EFFECTS :
   Tumorigenic - neoplastic by RTECS criteria
   Lungs, Thorax, or Respiration - tumors
REFERENCE :
   CNREA8 Cancer Research. (Public Ledger Building, Suit 816, 6th & Chestnut
   Sts., Philadelphia, PA 19106)  V.1-    1941-  Volume(issue)/page/year:
   35,1411,1975

                          *** STATUS IN U.S. ***
 
   EPA GENETOX PROGRAM 1988, Inconclusive: E coli polA without S9
   
   EPA TSCA Section 8(b) CHEMICAL INVENTORY

 
                            *** END OF RECORD ***