*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : CQ9200000
CHEMICAL NAME           : Barium hydroxide
CAS REGISTRY NUMBER     : 17194-00-2
LAST UPDATED            : 199710
DATA ITEMS CITED        : 5
MOLECULAR FORMULA       : Ba-H2-O2
MOLECULAR WEIGHT        : 171.36
SYNONYMS/TRADE NAMES :
   * Barium dihydroxide
   * Caustic baryta
 
                       *** 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           : 255 mg/kg
TOXIC EFFECTS :
   Autonomic Nervous System - other (direct) parasympathomimetic
   Behavioral - muscle weakness
   Gastrointestinal - nausea or vomiting
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: 28(6),45,1984
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Mammal - species unspecified
DOSE/DURATION           : 308 mg/kg
TOXIC EFFECTS :
   Autonomic Nervous System - other (direct) parasympathomimetic
   Behavioral - muscle weakness
   Gastrointestinal - nausea or vomiting
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: 28(6),45,1984

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

NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA :
   NOES - National Occupational Exposure Survey (1983)
     NOES Hazard Code - 08655
       No. of Facilities: 8926 (estimated)
       No. of Industries: 89
       No. of Occupations: 69
       No. of Employees: 108911 (estimated)
       No. of Female Employees: 12803 (estimated)

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

 
                            *** END OF RECORD ***