Hydrogen Cyanide

Hydrogen Cyanide (HCN) is a transparent blue liquid or colorless gas with an almond-like odor, a weak acid. Hydrogen Cyanide is polymerizable. Even though it is not flammable, we still recommend a secure chemical storage building or container that meets specific regulations for storing Hydrogen Cyanide. That’s why we suggest one of the following: CHEMLoc, DRUMLoc

Hydrogen Cyanide Storing Details

  • Flammable Details: Not flammable.
  • Storage Details: Keep separated from incompatible substances. Store and handle in accordance with all current regulations and standards. Requires compliant chemical storage container.
  • Compatible Details: Amines, oxidizers, acids, sodium hydroxide, calcium hydroxide, sodium carbonate, caustics, ammonia [Note: Can polymerize at 122-140°F.]
  • Description: Hydrogen cyanide is an inorganic compound with chemical formula HCN. It is a colorless, extremely poisonous liquid that boils slightly above room temperature at 26 °C. Hydrogen cyanide is a linear ...
  • Classification: CLASS 6.1
  • Brand Name: n/a

Hydrogen Cyanide Properties

Formula Density Boiling Point; IUPAC ID Molar Mass Soluble In Melting Point
HCN 687.00 kg/m³ 78.08°F (25.6°C) formonitrile 27.0253 g/mol Water 7.88°F (-13.4°C)




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