Cyanide

CAS Number

57-12-5

Synonym

Nitrile

Occurrence/Use

Gaseous pesticide (fumigant). Naturally found in stone fruit seeds and cassava roots.

Cancer Potency Information

Latest Criteria:	Proposition 65 NSRLs/MADLs

Proposition 65

MADL w/ File

Chemical Status

Reproductive Toxicity :	Currently listed

Reproductive Toxicity

Listed as causing:	Male Reproductive Toxicity
Male Reproductive Toxicity
Date of Listing:	07/05/2013
Basis for Listing :	Authoritative Bodies-US Environmental Protection Agency

Safe Harbor Levels

Reproductive Toxicity
Maximum Allowable Dose Level (MADL) :	9.8 µg/day (cyanide salts that readily dissociate in solution [expressed as cyanide])
Maximum Allowable Dose Level (MADL) - Oral:	10 µg/day (hydrogen cyanide), 19 µg/day (sodium cyanide), 25 µg/day (potassium cyanide)
Last NSRL/MADL Revision:	2013

Documents, Presentations, and Publications

Reproductive Toxicity:	Maximum Allowable Dose Levels (Oral Exposure) for Hydrogen Cyanide and Cyanide Salts March 22, 2013

Public notices related to this chemical

Notice of Intent to List: Hydrogen Cyanide and Cyanide Salts
Chemicals Listed Effective July 5, 2013 as Known to the State of California to Cause Reproductive Toxicity: Hydrogen Cyanide (HCN) and Cyanide Salts (CN Salts)
Notice of Proposed Rulemaking: Title 27, California Code of Regulations - Amendment to Section 25805 Specific Regulatory Levels: Chemicals Causing Reproductive Toxicity Hydrogen Cyanide and Cyanide Salts
Adoption of Regulation Title 27, California Code of Regulations Amendment to Section 25805(b) Maximum Allowable Dose Levels Hydrogen Cyanide and Cyanide Salts

Water

California Public Health Goals Data

Health Risk Category:	Neurotoxicity, endocrine toxicity (thyroid)
Public Health Goal (mg/L):	0.15
Public Health Goal - Download:	cyanc.pdf
Cancer Risk at PHG:	n/a
MCL value (mg/L):	0.15
Cancer Risk at MCL:	n/a
Last PHG Revision :	1997
California PHG Comments:	OEHHA 2013. Health Risk Information for Public Health Goal Exceedance Reports. Listed as Cyanide.