| Agent Name |
Calcium cyanide |
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| CAS Number |
592-01-8 |
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| Formula |
C2-Ca-N2 |
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| Major Category |
Metals |
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| Synonyms |
Calcid; Calcium cyanide (mixture); Calcium cyanide [ISO]; Calcyan; Calcyanide; Cyanide of calcium; Cyanogas; Cyanure de calcium [French]; Degesch Calcium Cyanide A-Dust; [ChemIDplus] UN1575 |
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| Category |
Metals, Inorganic Compounds |
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| Description |
Colorless or white solid; Technical grade is gray-black in color; [Hawley] White powder; Decomposes in water or moisture releasing hydrogen cyanide; [Sullivan, p. 707] |
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| Sources/Uses |
Used to make stainless-steel and other cyanides; Also used to leach ores for precious metals and to stabilize cement; No longer registered as a pesticide product (rodenticide, fumigant, insecticide, and miticide); [HSDB] Produced only in South Africa and used there to leach precious metals from ores; [Ullmann] |
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| Comments |
Releases hydrogen cyanide in moist air; [Hawley] A skin, eye, and respiratory tract irritant; May cause cyanide poisoning; [ICSC] See "CYANIDES." |
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| Exposure Assessment |
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| Skin Designation (ACGIH) |
Yes |
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| Ceiling (ACGIH) |
5 mg/m3, as CN |
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| PEL (OSHA) |
5 mg/m3, as CN |
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| MAK |
2 mg/m3, inhalable fraction, as CN |
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| Vapor Pressure |
0.03 mm Hg |
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| Adverse Effects |
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| Other Poison |
Chemical Asphyxiant |
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| Links to Other NLM Databases |
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| Health Studies |
Human Health Effects from Hazardous Substances Data Bank: CALCIUM CYANIDE
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