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Registry of Toxic Effects of Chemical Substances (RTECS)

Barium chromate(VI)

RTECS #

CQ8760000

CAS #

10294-40-3

Updated

April 2012

Molecular Weight

255.36

Molecular Formula

Ba·CrH2O4

Synonyms

Barium chromate
Barium chromate (1:1)
Barium chromate oxide
Baryta Yellow
C.I. 77103
C.I. Pigment Yellow 31
Chromic acid, barium salt (1:1)
Lemon chrome
Lemon Yellow
Permanent Yellow
Pigment Yellow 31
Ultramarine Yellow

Mutation Data and Reference

System TestRoute/Organism/TissueDoseReference
Cytogenetic Analysislung/human0.1 µg/plate/24HEMMUEG 42,274,2003
morphological transformembryo/mouse4 mg/L/72HMUREAV 702,100,2010
sister chromatid exchangeovary/hamster100 µg/LMUREAV 156,219,1985
sister chromatid exchangelung/human0.1 µg/plate/24HEMMUEG 42,274,2003

Reviews

OrganizationStandardReference
International Agency for Research on Cancer (IARC)Cancer Review:Human Sufficient EvidenceIMEMDT 49,49,1990
International Agency for Research on Cancer (IARC)Cancer Review:Animal Inadequate EvidenceIMEMDT 2,100,1973
International Agency for Research on Cancer (IARC)Cancer Review:Animal Inadequate EvidenceIMEMDT 49,49,1990
International Agency for Research on Cancer (IARC)Cancer Review:Group 1IMEMDT 49,49,1990
TOXICOLOGY REVIEWHBTME* ,487,2007

Standards and Regulations

OrganizationStandardReference
Mine Safety and Health Administration (MSHA) STANDARD-airtime-weighted average 0.5 mg(Ba)/m3DTLVS* 3,21,1971
Occupational Exposure Limit IN ARGENTINA, BULGARIA, COLOMBIA, JORDAN check ACGIH TLV;
Occupational Exposure Limit IN SINGAPORE, VIETNAM check ACGIH TLV
Occupational Exposure Limit-AUSTRALIAtime-weighted average 0.05 mg(Cr)/m3, JUL2008
Occupational Exposure Limit-AUSTRALIAtime-weighted average 0.5 mg(Ba)/m3, JUL2008
Occupational Exposure Limit-BELGIUMtime-weighted average 0.01 mg(Cr)/m3, MAR2002
Occupational Exposure Limit-BELGIUMtime-weighted average 0.5 mg(Ba)/m3, MAR2002
Occupational Exposure Limit-DENMARKtime-weighted average 0.5 mg(Ba)/m3, MAY2011
Occupational Exposure Limit-DENMARKtime-weighted average 0.005 mg(Cr)/m3, MAY2011
Occupational Exposure Limit-FINLANDtime-weighted average 0.05 mg(CrO4)/m3, NOV2011
Occupational Exposure Limit-FRANCEVME 0.05 mg(Cr)/m3, FEB2006
Occupational Exposure Limit-HUNGARYtime-weighted average 0.5 mg(Ba)/m3, short term exposure limit 2 mg(Ba)/m3, SEP2000
Occupational Exposure Limit-KOREAtime-weighted average 0.5 mg(Ba)/m3, 2006
Occupational Exposure Limit-MEXICOtime-weighted average 0.5 mg(Ba)/m3, 2004
Occupational Exposure Limit-NEW ZEALANDtime-weighted average 0.5 mg(Ba)/m3, JAN2002
Occupational Exposure Limit-NORWAYtime-weighted average 0.5 mg(Ba)/m3, JAN1999
Occupational Exposure Limit-POLANDMAC(time-weighted average) 0.5 mg(Ba)/m3, MAC(short term exposure limit) 1.5 mg(Ba)/m3, JAN1999
Occupational Exposure Limit-POLANDtime-weighted average 0.1 mg(Cr)/m3, short term exposure limit 0.1 mg(Cr)/m3, JAN1999
Occupational Exposure Limit-SWEDENtime-weighted average 0.005 mg(Cr)/m3;short term exposure limit 0.015 mg(Cr)/m3, Carcinogen, Sen, JUN2005
Occupational Exposure Limit-SWEDENtime-weighted average 0.5 mg(Ba)/m3, JUN2005
Occupational Exposure Limit-THE PHILIPPINEStime-weighted average 0.5 mg(Ba)/m3, JAN1993
Occupational Exposure Limit-TURKEYtime-weighted average 0.5 mg(Ba)/m3, JAN1993
Occupational Exposure Limit-UNITED KINGDOMtime-weighted average 0.05 mg(Cr)/m3, carc, sen, OCT2007
Occupational Safety and Health Administration (OSHA) Permissible Exposure Limit (Construction)ceiling concentration 0.1 mg(CrO3)/m3CFRGBR 29,1926.55,1994
Occupational Safety and Health Administration (OSHA) Permissible Exposure Limit (Construction)8H time-weighted average 0.5 mg(Ba)/m3CFRGBR 29,1926.55,1994
Occupational Safety and Health Administration (OSHA) Permissible Exposure Limit (Federal Contractors)ceiling concentration 0.1 mg(CrO3)/m3CFRGBR 41,50-204.50,1994
Occupational Safety and Health Administration (OSHA) Permissible Exposure Limit (Federal Contractors)8H time-weighted average 0.5 mg(Ba)/m3CFRGBR 41,50-204.50,1994
Occupational Safety and Health Administration (OSHA) Permissible Exposure Limit (General Industry)ceiling concentration 0.1 mg(CrO3)/m3CFRGBR 29,1910.1000,1994
Occupational Safety and Health Administration (OSHA) Permissible Exposure Limit (General Industry)8H time-weighted average 0.5 mg(Ba)/m3CFRGBR 29,1910.1000,1994
Occupational Safety and Health Administration (OSHA) Permissible Exposure Limit (Shipyards)ceiling concentration 0.1 mg(CrO3)/m3CFRGBR 29,1915.1000,1993
Occupational Safety and Health Administration (OSHA) Permissible Exposure Limit (Shipyards)8H time-weighted average 0.5 mg(Ba)/m3CFRGBR 29,1915.1000,1993

NIOSH Documentation and Surveillance

OrganizationStandardReference
National Institute for Occupational Safety and Health (NIOSH) Recommended Exposure Level TO CHROMIUM(VI)-air10H Carcinogen time-weighted average 0.001 mg(Cr)/m3NIOSH* DHHS #92-100,1992
National Occupational Exposure Survey 1983Hazard Code M2265; Number of Industries 2; Total Number of Facilities 20; Number of Occupations 3; Total Number of Employees Exposed 3546; Total Number of Female Employees Exposed 1984
National Occupational Hazard Survey 1974Hazard Code M2265; Number of Industries 10; Total Number of Facilities 693; Number of Occupations 17; Total Number of Employees Exposed 4071

Status in Federal Agencies

OrganizationReference
EPA TSCA Section 8(b) CHEMICAL INVENTORY
EPA TSCA TEST SUBMISSION (TSCATS) DATA BASE, JANUARY 2001
NIOSH Analytical Method, 1994: Chromium hexavalent, 7600 and 7604
NIOSH CURRENT INTELLIGENCE BULLETIN 4, 1975/1976
NTP 10th Report on Carcinogens,2002:Known to be a human carcinogen
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