Hydrogen cyanide

CAS RN: 74-90-8

EPA Hazardous Waste No.

P063; An acute hazardous waste when a discarded commercial chemical product or manufacturing chemical intermediate or an off-specification commercial chemical product or a manufacturing chemical intermediate.
/SRP:/ D003; A waste containing hydrogen cyanide may (or may not) be characterized a hazardous waste following testing for the reactivity characteristics as prescribed by the Resource Conservation and Recovery Act (RCRA) regulations.
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