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Registry of Toxic Effects of Chemical Substances (RTECS)

Chromium, dichlorodioxo-

RTECS #

GB5775000

CAS #

14977-61-8

Updated

March 2016

Molecular Weight

154.90

Molecular Formula

Cl2CrO2

Synonyms

Chlorochromic anhydride
Chlorure de chromyle (French)
Chromic oxychloride
Chromium (VI) dioxychloride
Chromium chloride oxide
Chromium dichloride dioxide
Chromium dioxide dichloride
Chromoxychlorid (German)
Chromyl chloride
Chromyl chloride (ACGIH)
Chromylchlorid (German)
Chroomoxychloride (Dutch)
Cromile, cloruro di (Italian)
Cromo, ossicloruro di (Italian)
Dichlorodioxochromium
Dioxodichlorochromium
Oxychlorure chromique (French)

Mutation Data and Reference

System TestRoute/Organism/TissueDoseReference
mutation in microorganisms/Salmonella typhimurium50 µg/plate (+enzymatic activation step)CRNGDP 1,583,1980

Reviews

OrganizationStandardReference
American Conference of Governmental Industrial Hygienists (ACGIH)Threshold Limit Value-time-weighted average 0.025 ppmDTLVS* TLV/BEI,2013
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 Sufficient EvidenceIMEMDT 100C,164,2012
International Agency for Research on Cancer (IARC)Cancer Review:Human Sufficient EvidenceIMEMDT 100C,164,2012
International Agency for Research on Cancer (IARC)Cancer Review:Group 1IMEMDT 49,49,1990
International Agency for Research on Cancer (IARC)Cancer Review:Group 1IMEMDT 100C,164,2012
TOXICOLOGY REVIEWCRTOEC 18,3,2005

Standards and Regulations

OrganizationStandardReference
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-BELGIUMtime-weighted average 0.01 mg(Cr)/m3, MAR2002
Occupational Exposure Limit-BELGIUMtime-weighted average 0.025 ppm (0.16 mg/m3), MAR2002
Occupational Exposure Limit-FINLANDtime-weighted average 0.5 mg(Cr)/m3, NOV2011
Occupational Exposure Limit-JAPANOccupational Exposure Limit 0.05 mg(Cr)/m3, a2 sen, s1 sen, MAY2012
Occupational Exposure Limit-KOREAtime-weighted average 0.025 ppm (0.15 mg/m3), 2006
Occupational Exposure Limit-NEW ZEALANDtime-weighted average 0.025 ppm (0.16 mg/m3), JAN2002
Occupational Exposure Limit-NEW ZEALANDtime-weighted average 0.05 mg(Cr)/m3, sen, JAN2002
Occupational Exposure Limit-NORWAYtime-weighted average 0.5 mg(Cr)/m3, JAN1999
Occupational Exposure Limit-PERUtime-weighted average 0.025 ppm (0.16 mg/m3), JUL2005
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-SWITZERLANDMAK-week 0.05 mg(Cr)/m3, carc 1, inhal, skin, sen, JAN2011
Occupational Exposure Limit-THE NETHERLANDSMAC-TGG 0.15 mg/m3, 2003
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)8H time-weighted average 0.5 mg(Cr)/m3CFRGBR 29,1926.55,1994
Occupational Safety and Health Administration (OSHA) Permissible Exposure Limit (Federal Contractors)8H time-weighted average 0.5 mg(Cr)/m3CFRGBR 41,50-204.50,1994
Occupational Safety and Health Administration (OSHA) Permissible Exposure Limit (General Industry)8H time-weighted average 0.5 mg(Cr)/m3CFRGBR 29,1910.1000,1994
Occupational Safety and Health Administration (OSHA) Permissible Exposure Limit (Shipyards)8H time-weighted average 0.5 mg(Cr)/m3CFRGBR 29,1915.1000,1993

NIOSH Documentation and Surveillance

OrganizationStandardReference
National Institute for Occupational Safety and Health (NIOSH) Recommended Exposure Level TO CHROMYL CHLORIDE-air10H Carcinogen time-weighted average 0.001 mg(Cr)/m3NIOSH* DHHS #92-100,1992
National Occupational Exposure Survey 1983Hazard Code X4593; Number of Industries 1; Total Number of Facilities 7; Number of Occupations 1; Total Number of Employees Exposed 35

Status in Federal Agencies

OrganizationReference
EPA TSCA Section 8(b) CHEMICAL INVENTORY
NTP 10th Report on Carcinogens,2002:Known to be a human carcinogen
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