The Registry of Toxic Effects of Chemical Substances

Barium oxide

RTECS #: CQ9800000

CAS #: 1304-28-5

UPDATE: November 2004 MW: 153.34 MF: BaO


NOTE:

TABLE OF CONTENTS:
  1. SYNONYMS:
  2. ACUTE TOXICITY DATA:
  3. REVIEWS:
  4. STANDARDS AND REGULATIONS:
  5. NIOSH DOCUMENTATION AND SURVEILLANCE:
  6. STATUS IN FEDERAL AGENCIES:
  7. REFERENCES:

SYNONYMS:

  1. Barium monoxide
  2. Barium protoxide
  3. Baryta
  1. Calcined baryta
  2. Oxyde de baryum (French)


SKIN AND EYE IRRITATION DATA AND REFERENCES:

ROUTE/
ORGANISM 		DOSE
EFFECT

 REFERENCE
N/R
 N/R N/R N/R


MUTATION DATA AND REFERENCES:

SYSTEM TEST ROUTE/
ORGANISM/
TISSUE 		DOSE REFERENCE
N/R N/R N/R N/R


REPRODUCTIVE EFFECTS DATA AND REFERENCES:

ROUTE/
ORGANISM 		DOSE
EFFECT

 REFERENCE
N/R
 N/R N/R N/R


TUMORIGENIC DATA AND REFERENCES:

ROUTE/
ORGANISM 		DOSE
EFFECT

 REFERENCE
N/R
 N/R N/R N/R


ACUTE TOXICITY DATA AND REFERENCES:

ROUTE/
ORGANISM 		DOSE
EFFECT

 REFERENCE
intraperitoneal
mouse 		lethal dose (50 percent kill): 146 mg/kg N/R CUTOEX 1,39,1993
intraperitoneal
mouse 		lethal dose (50 percent kill): 300 mg/kg Behavioral: Somnolence (general depressed activity)

Behavioral: Tetany 		VCVN1* -,136,1988
subcutaneous
mouse 		lethal dose (50 percent kill): 50 mg/kg N/R ZVKOA6 19,186,1974


OTHER MULTIPLE DOSE DATA AND REFERENCES:

ROUTE/
ORGANISM 		DOSE
EFFECT

 REFERENCE
N/R
 N/R N/R N/R


REVIEWS:

ORGANIZATION STANDARD
REFERENCE
American Conference of Governmental Industrial Hygienists (ACGIH) Threshold Limit Value time-weighted average 0.5 mg(Ba)/m3 DTLVS* TLV/BEI,1999
American Conference of Governmental Industrial Hygienists (ACGIH) Threshold Limit Value Not classifiable as a human carcinogen DTLVS* TLV/BEI,1999


STANDARDS AND REGULATIONS:

ORGANIZATION STANDARD
REFERENCE
Mine Safety and Health Administration (MSHA) STANDARD - air time-weighted average 0.5 mg(Ba)/m3 DTLVS* 3,21,1971
Occupational Safety and Health Administration (OSHA) Permissible Exposure Limit (General Industry) 8 hour time-weighted average 0.5 mg(Ba)/m3 CFRGBR 29,1910.1000,1994
Occupational Safety and Health Administration (OSHA) Permissible Exposure Limit (Construction) 8 hour time-weighted average 0.5 mg(Ba)/m3 CFRGBR 29,1926.55,1994
Occupational Safety and Health Administration (OSHA) Permissible Exposure Limit (Shipyards) 8 hour time-weighted average 0.5 mg(Ba)/m3 CFRGBR 29,1915.1000,1993
Occupational Safety and Health Administration (OSHA) Permissible Exposure Limit (Federal Contractors) 8 hour time-weighted average 0.5 mg(Ba)/m3 CFRGBR 41,50-204.50,1994
Occupational Exposure Limit - AUSTRALIA time-weighted average 0.5 mg(Ba)/m3, JAN1993
Occupational Exposure Limit - AUSTRIA MAK 0.5 mg(Ba)/m3, JAN1999
Occupational Exposure Limit - BELGIUM time-weighted average 0.5 mg(Ba)/m3, JAN1993
Occupational Exposure Limit - DENMARK time-weighted average 0.5 mg(Ba)/m3, JAN1999
Occupational Exposure Limit - FINLAND time-weighted average 0.5 mg(Ba)/m3, JAN1999
Occupational Exposure Limit - GERMANY MAK 0.5 mg(Ba)/m3, JAN1999
Occupational Exposure Limit - HUNGARY short term exposure limit 0.5 mg(Ba)/m3, JAN1993
Occupational Exposure Limit - THE NETHERLANDS MAC-TGG 0.5 mg(Ba)/m3, 2003
Occupational Exposure Limit - THE PHILIPPINES time-weighted average 0.5 mg(Ba)/m3, JAN1993
Occupational Exposure Limit - RUSSIA short term exposure limit 6 mg/m3, JAN1993
Occupational Exposure Limit - SWEDEN time-weighted average 0.5 mg(Ba)/m3, JAN1999
Occupational Exposure Limit - TURKEY time-weighted average 0.5 mg(Ba)/m3, JAN1993
Occupational Exposure Limit - UNITED KINGDOM LTEL 0.5 mg(Ba)/m3, JAN1993
Occupational Exposure Limit IN ARGENTINA, BULGARIA, COLOMBIA, JORDAN, KOREA American Conference of Governmental Industrial Hygienists (ACGIH) Threshold Limit Value;

Not classifiable as a human carcinogen
Occupational Exposure Limit IN NEW ZEALAND, SINGAPORE, VIETNAM American Conference of Governmental Industrial Hygienists (ACGIH) Threshold Limit Value
Not classifiable as a human carcinogen


NIOSH DOCUMENTATION AND SURVEILLANCE:

ORGANIZATION STANDARD or SURVEY
REFERENCE
National Occupational Hazard Survey 1974 National Occupational Hazard Survey 1974: Hazard Code: 80341;
Number of Industries 13;
Total Number of Facilities 218;
Number of Occupations 16;
Total Number of Employees Exposed 2,983
National Occupational Exposure Survey 1983 National Occupational Exposure Survey 1983: Hazard Code: 80341;
Number of Industries 22;
Total Number of Facilities 913;
Number of Occupations 28;
Total Number of Employees Exposed 34,535;
Total Number of Female Employees Exposed 14,944


STATUS IN FEDERAL AGENCIES:

ORGANIZATION
REFERENCE
EPA TSCA Section 8(b) CHEMICAL INVENTORY


REFERENCES:

CODEN
REFERENCE
CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402)
CUTOEX Current Toxicology. (Nova Science Publishers, Inc., 6080 Jericho Turnpike, Suite 207, Commack, NY 11725) V.1 1993-
DTLVS* The Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs) booklet issues by American Conference of Governmental Industrial Hygienists (ACGIH), Cincinnati, OH, 1996
VCVN1* "Vrednie chemichescie veshestva. Neorganicheskie soedinenia elementov I-IV groopp" (Hazardous substances. Inornanic substances containing I-IV group elements), Filov V.A., Chimia, 1988.
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-

NIOSH PROFILE (BARIUM and ITS COMPOUNDS), SRI, 2/77

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