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ACGIH is a 501(c)(3) charitable scientific organization that advances occupational and environmental health.
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This section has been established to help educate industry, government, and the public on what TLVs and BEIs are, and how TLVs and BEIs may best be used.
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HYDROGEN CYANIDE AND CYANIDE SALTS
HYDROGEN CYANIDE AND CYANIDE SALTS
HYDROGEN CYANIDE
CAS number: 74-90-8
Synonyms: Formonitrile; Hydrocyanic acid; Prussic acid
Molecular formula: HCN
Skin
TLV–CEILING, 4.7 ppm (5 mg/m3), as CN
CALCIUM CYANIDE
CAS number: 592-01-8
Molecular formula: Ca(CN)2
POTASSIUM CYANIDE
CAS number: 151-50-8
Molecular formula: KCN
SODIUM CYANIDE
CAS number: 143-33-9
Molecular formula: NaCn
Skin
TLV–CEILING, 5 mg/m3, as CN
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