*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : AI7525000
CHEMICAL NAME           : Acetic acid, mercapto-, monoammonium salt
CAS REGISTRY NUMBER     : 5421-46-5
LAST UPDATED            : 199712
DATA ITEMS CITED        : 7
MOLECULAR FORMULA       : C2-H4-O2-S.H3-N
MOLECULAR WEIGHT        : 109.16
WISWESSER LINE NOTATION : SH1VO &ZH
SYNONYMS/TRADE NAMES :
   * Ammonium mercaptoacetate
   * Ammonium thioglycolate
   * Ammonium thioglycollate
   * Thiofaco A-50
   * Thioglycollic acid, ammonium salt
   * USAF MO-2
 
                       *** 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           : 165 mg/kg
TOXIC EFFECTS :
   Behavioral - somnolence (general depressed activity)
REFERENCE :
   JPETAB Journal of Pharmacology and Experimental Therapeutics.  (Williams &
   Wilkins Co., 428 E. Preston St., Baltimore, MD 21202)  V.1-    1909/10-
   Volume(issue)/page/year: 97,349,1949
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 100 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   NTIS** National Technical Information Service.  (Springfield, VA 22161)
   Formerly U.S. Clearinghouse for Scientific & Technical Information.
   Volume(issue)/page/year: AD277-689
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intravenous
SPECIES OBSERVED        : Mammal - cat
DOSE/DURATION           : 175 mg/kg
TOXIC EFFECTS :
   Behavioral - somnolence (general depressed activity)
REFERENCE :
   JPETAB Journal of Pharmacology and Experimental Therapeutics.  (Williams &
   Wilkins Co., 428 E. Preston St., Baltimore, MD 21202)  V.1-    1909/10-
   Volume(issue)/page/year: 97,349,1949
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intravenous
SPECIES OBSERVED        : Rodent - rabbit
DOSE/DURATION           : 100 mg/kg
TOXIC EFFECTS :
   Behavioral - somnolence (general depressed activity)
REFERENCE :
   JPETAB Journal of Pharmacology and Experimental Therapeutics.  (Williams &
   Wilkins Co., 428 E. Preston St., Baltimore, MD 21202)  V.1-    1909/10-
   Volume(issue)/page/year: 97,349,1949

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

NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA :
   NOHS - National Occupational Hazard Survey (1974)
     NOHS Hazard Code - 83494
       No. of Facilities: 4049 (estimated)
       No. of Industries: 4
       No. of Occupations: 3
       No. of Employees: 33142 (estimated)
   
   NOES - National Occupational Exposure Survey (1983)
     NOES Hazard Code - 83494
       No. of Facilities: 4016 (estimated)
       No. of Industries: 6
       No. of Occupations: 5
       No. of Employees: 41131 (estimated)
       No. of Female Employees: 30870 (estimated)

                          *** STATUS IN U.S. ***
 
   EPA TSCA Section 8(b) CHEMICAL INVENTORY

 
                            *** END OF RECORD ***