CAS 1304-28-5|Oxobarium

CHEMICAL IDENTIFICATION

RTECS NUMBER :

CQ9800000

CHEMICAL NAME :

Barium oxide

CAS REGISTRY NUMBER :

1304-28-5

LAST UPDATED :

199712

DATA ITEMS CITED :

28

MOLECULAR FORMULA :

Ba-O

MOLECULAR WEIGHT :

153.34

WISWESSER LINE NOTATION :

BA O

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 :

146 mg/kg

TOXIC EFFECTS :

Details of toxic effects not reported other than lethal dose value

REFERENCE :

CUTOEX Current Toxicology. (Nova Science Publishers, Inc., 6080 Jericho Turnpike, Suite 207, Commack, NY 11725) V.1 1993- Volume(issue)/page/year: 1,39,1993

TYPE OF TEST :

LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :

Subcutaneous

SPECIES OBSERVED :

Rodent - mouse

DOSE/DURATION :

50 mg/kg

TOXIC EFFECTS :

Details of toxic effects not reported other than lethal dose value

REFERENCE :

ZVKOA6 Zhurnal Vsesoyuznogo Khimicheskogo Obshchestva im. D.I. Mendeleeva. Journal of the D.I. Mendeleeva All-Union Chemical Society. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.5- 1960- Volume(issue)/page/year: 19,186,1974 *** REVIEWS *** ACGIH TLV-TWA 0.5 mg(Ba)/m3 DTLVS* The Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs) booklet issues by American Conference of Governmental Industrial Hygienists (ACGIH), Cincinnati, OH, 1996 Volume(issue)/page/year: TLV/BEI,1997 ACGIH TLV-Not classifiable as a human carcinogen DTLVS* The Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs) booklet issues by American Conference of Governmental Industrial Hygienists (ACGIH), Cincinnati, OH, 1996 Volume(issue)/page/year: TLV/BEI,1997 *** U.S. STANDARDS AND REGULATIONS *** MSHA STANDARD-air:TWA 0.5 mg(Ba)/m3 DTLVS* The Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs) booklet issues by American Conference of Governmental Industrial Hygienists (ACGIH), Cincinnati, OH, 1996 Volume(issue)/page/year: 3,21,1971 OSHA PEL (Gen Indu):8H TWA 0.5 mg(Ba)/m3 CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) Volume(issue)/page/year: 29,1910.1000,1994 OSHA PEL (Construc):8H TWA 0.5 mg(Ba)/m3 CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) Volume(issue)/page/year: 29,1926.55,1994 OSHA PEL (Shipyard):8H TWA 0.5 mg(Ba)/m3 CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) Volume(issue)/page/year: 29,1915.1000,1993 OSHA PEL (Fed Cont):8H TWA 0.5 mg(Ba)/m3 CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) Volume(issue)/page/year: 41,50-204.50,1994 *** OCCUPATIONAL EXPOSURE LIMITS *** OEL-AUSTRALIA:TWA 0.5 mg(Ba)/m3 JAN 1993 OEL-AUSTRIA:TWA 0.5 mg(Ba)/m3 JAN 1993 OEL-BELGIUM:TWA 0.5 mg(Ba)/m3 JAN 1993 OEL-DENMARK:TWA 0.5 mg(Ba)/m3 JAN 1993 OEL-FINLAND:TWA 0.5 mg(Ba)/m3 JAN 1993 OEL-GERMANY:TWA 0.5 mg(Ba)/m3 (total dust) JAN 1993 OEL-HUNGARY:STEL 0.5 mg(Ba)/m3 JAN 1993 OEL-THE NETHERLANDS:TWA 0.5 mg(Ba)/m3 JAN 1993 OEL-THE PHILIPPINES:TWA 0.5 mg(Ba)/m3 JAN 1993 OEL-POLAND:TWA 0.5 mg(Ba)/m3;STEL 1.5 mg(Ba)/m3 JAN 1993 OEL-RUSSIA:STEL 6 mg/m3 JAN 1993 OEL-SWITZERLAND:TWA 0.5 mg(Ba)/m3;STEL 1 mg(Ba)/m3 JAN 1993 OEL-TURKEY:TWA 0.5 mg(Ba)/m3 JAN 1993 OEL-UNITED KINGDOM:TWA 0.5 mg(Ba)/m3 JAN 1993 OEL IN BULGARIA, COLOMBIA, JORDAN, KOREA check ACGIH TLV OEL IN NEW ZEALAND, SINGAPORE, VIETNAM check ACGIH TLV *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - 80341 No. of Facilities: 218 (estimated) No. of Industries: 13 No. of Occupations: 16 No. of Employees: 2983 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 80341 No. of Facilities: 913 (estimated) No. of Industries: 22 No. of Occupations: 28 No. of Employees: 34535 (estimated) No. of Female Employees: 14944 (estimated)

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