Calcium cyanide

Calcium cyanide also known as black cyanide, is an inorganic compound with the formula Ca(CN)₂. It is a white solid, although it is rarely observed in pure form. Commercial samples can be black-gray. It is the calcium salt of cyanide. It hydrolyses readily (even on moist air) to release hydrogen cyanide. Like other similar cyanides it is very toxic.

单词	Black cyanide
释义	Black cyanide 英语百科 Calcium cyanide Calcium cyanide also known as black cyanide, is an inorganic compound with the formula Ca(CN)₂. It is a white solid, although it is rarely observed in pure form. Commercial samples can be black-gray. It is the calcium salt of cyanide. It hydrolyses readily (even on moist air) to release hydrogen cyanide. Like other similar cyanides it is very toxic.
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Black cyanide

Calcium cyanide