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Registry of Toxic Effects of Chemical Substances (RTECS)

Calcium cyanide

RTECS #

EW0700000

CAS #

592-01-8

Updated

September 201

Molecular Weight

92.12

Molecular Formula

C2CaN2

Synonyms

Calcid
Calcium cyanide (ACGIH)
Calcyan
Calcyanide
Cyanogas
Cyanure de calcium (French)
RCRA waste number P021

Acute Toxicity Data and References

Route/OrganismDoseEffectReference
oral/rat lethal dose (50 percent kill): 39 mg/kgAIHAAP 30,470,1969

Reviews

OrganizationStandardReference
American Conference of Governmental Industrial Hygienists (ACGIH)Threshold Limit Value-time-weighted average 5 mg(CN)/m3 (skin)DTLVS* TLV/BEI,2013
TOXICOLOGY REVIEWHUTOX* -,661,1996

Standards and Regulations

OrganizationStandardReference
Environmental Protection Agency (EPA) Federal Insecticide, Fungicide, and Rodenticide Act (FIFRA) 1988 PESTICIDE SUBJECT TO REGISTRATION OR RE-REGISTRATIONFEREAC 54,7740,1989
Environmental Protection Agency (EPA) Federal Insecticide, Fungicide, and Rodenticide Act (FIFRA) 1998 STATUS OF PESTICIDESCancelledRBREV* -,257,1998
Occupational Exposure Limit-AUSTRALIAtime-weighted average 5 mg(CN)/m3, JUL2008
Occupational Exposure Limit-BELGIUMshort term exposure limit 5 mg/m3, Skin, MAR2002
Occupational Exposure Limit-DENMARKceiling concentration 5 mg(CN)/m3, skin, MAY2011
Occupational Exposure Limit-GERMANYMAK 2 mg(CN)/m3, inhal, 2011
Occupational Exposure Limit-HUNGARYtime-weighted average 5 mg(CN)/m3, short term exposure limit 20 mg(CN)/m3, Skin, SEP2000
Occupational Exposure Limit-ICELANDshort term exposure limit 5 mg/m3, skin, NOV2011
Occupational Exposure Limit-JAPANceiling concentration 5 mg(CN)/m3, skin, MAY2012
Occupational Exposure Limit-KOREAtime-weighted average 5 mg(CN)/m3, skin, 2006
Occupational Exposure Limit-MEXICOtime-weighted average 5 mg(CN)/m3, 2004
Occupational Exposure Limit-NEW ZEALANDtime-weighted average 5 mg(CN)/m3, skin, JAN2002
Occupational Exposure Limit-PERUshort term exposure limit 5 mg/m3, JUL2005
Occupational Exposure Limit-SWEDENceiling concentration 5 mg (CN)/m3, Skin, JUN2005
Occupational Exposure Limit-SWITZERLANDceiling concentration 2 mg(CN)/m3, inhal, skin, JAN2011
Occupational Exposure Limit-UNITED KINGDOMtime-weighted average 5 mg(CN)/m3, skin, OCT2007

NIOSH Documentation and Surveillance

OrganizationStandardReference
National Institute for Occupational Safety and Health (NIOSH) Recommended Exposure Level TO CYANIDE-airceiling concentration 4.7 ppm(CN)/10MNIOSH* DHHS #92-100,1992
National Occupational Exposure Survey 1983Hazard Code M2865; Number of Industries 2; Total Number of Facilities 242; Number of Occupations 2; Total Number of Employees Exposed 3606
National Occupational Hazard Survey 1974Hazard Code M2865; Number of Industries 2; Total Number of Facilities 287; Number of Occupations 2; Total Number of Employees Exposed 12607

Status in Federal Agencies

OrganizationReference
ATSDR TOXICOLOGY PROFILE (NTIS** PB/98/101207/AS)
EPA TSCA Section 8(b) CHEMICAL INVENTORY
On EPA IRIS database
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