*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : BS7600000
CHEMICAL NAME           : Ammonium, tetramethyl-, bromide
CAS REGISTRY NUMBER     : 64-20-0
LAST UPDATED            : 199710
DATA ITEMS CITED        : 5
MOLECULAR FORMULA       : C4-H12-N.Br
MOLECULAR WEIGHT        : 154.08
WISWESSER LINE NOTATION : 1K1&1&1 &E
SYNONYMS/TRADE NAMES :
   * Methanaminium, N,N,N-trimethyl-, bromide
   * Methyl, (dimethylamino)-, methobromide
   * Tetramethylammonium bromide
   * TMAB
   * N,N,N-Trimethylmethanaminium bromide
 
                       *** HEALTH HAZARD DATA ***
 
                        ** ACUTE TOXICITY DATA **
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 24600 ug/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   PHMGBN Pharmacology: International Journal of Experimental and Clinical
   Pharmacology.  (S. Karger AG, Postfach CH-4009 Basel, Switzerland)  V.1-
   1968-  Volume(issue)/page/year: 21,256,1980
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intravenous
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 1800 ug/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   CSLNX* U.S. Army Armament Research & Development Command, Chemical Systems
   Laboratory, NIOSH Exchange Chemicals.  (Aberdeen Proving Ground, MD 21010)
   Volume(issue)/page/year: NX#01652

         *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA ***

NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA :
   NOES - National Occupational Exposure Survey (1983)
     NOES Hazard Code - X7298
       No. of Facilities: 7 (estimated)
       No. of Industries: 1
       No. of Occupations: 1
       No. of Employees: 1822 (estimated)
       No. of Female Employees: 272 (estimated)

                          *** STATUS IN U.S. ***
 
   EPA TSCA Section 8(b) CHEMICAL INVENTORY
   
   EPA TSCA TEST SUBMISSION (TSCATS) DATA BASE, JUNE 1998

 
                            *** END OF RECORD ***