• Identifiers

    CAS mumber
    74-90-8

    Molecular formula
    CHN

    SMILES
    C#N

  • Properties

    XLogP3-AA
    0.1 Well soluble in TEC, MMB, DEP

    Molecular weight
    27.025 g/mol

    Melting points

    • 7 °F (96%) (NIOSH, 2024)
    • -13.28 °C
    • 5.00 °C. @ 0.00 mm Hg
    • 7 °F (96%)
    • 7 °F (96%)

    Boiling points

    • 78 °F at 760 mmHg (96%) (NIOSH, 2024)
    • 25.63 °C
    • 79.00 °C. @ 0.00 mm Hg
    • 78 °F (96%)
    • 78 °F (96%)

    Flash points

    • 0 °F (96%) (NIOSH, 2024)
    • 0 °F (-18 °C) (Closed cup)
    • 0 °F (96%)
    • 0 °F (96%)

    Solubilities

    • Miscible (NIOSH, 2024)
    • Miscible with water
    • Miscible with ethanol, ethyl ether
    • Miscible with alcohol; slightly soluble in ether
    • 1.00E+06 mg/L @ 25 °C (exp)
    • Miscible

  • Synonyms

    • hydrogen cyanide
    • hydrocyanic acid
    • Formonitrile
    • Prussic acid
    • Cyanwasserstoff
    • Blausaeure
    • Formic anammonide
    • Zaclondiscoids
    • Evercyn
    • Cyclon
    • 74-90-8
    • Cyclone B
    • Aero Liquid HCN
    • Agent AC
    • Cyaanwaterstof
    • Blauwzuur
    • Cyjanowodor
    • Acido cianidrico
    • Acide cyanhydrique
    • methanenitrile
    • Caswell No. 483
    • Graphitic Carbon Nitride
    • Hydrogen cyanide [ISO]
    • hydridonitridocarbon
    • RCRA waste number P063
    • Blausaeure [German]
    • Carbon hydride nitride (CHN)
    • HSDB 165
    • 143334-20-7
    • HCN
    • UN 1051
    • hydrogen(nitridocarbonate)
    • EINECS 200-821-6
    • [CHN]
    • UNII-2WTB3V159F
    • AC [Cyanide]
    • EPA Pesticide Chemical Code 045801
    • AI3-31100-X
    • BRN 1718793
    • 2WTB3V159F
    • CHEBI:18407
    • Acide cyanhydrique [ISO-French]
    • Carbon nitride (C3N4)
    • HYDROCYANICUM ACIDUM
    • Zyklon B
    • CHEMBL183419
    • DTXSID9024148
    • EC 200-821-6
    • AC (CHEMICAL WARFARE AGENT)
    • AC (Cyanide)
    • Blausaeure (German)
    • (CHN)
    • Blauwzuur [Dutch]
    • Cyjanowodor [Polish]
    • Acide cyanhydrique (ISO-French)
    • Cyaanwaterstof [Dutch]
    • Cyanwasserstoff [German]
    • Acido cianidrico [Italian]
    • Acid, Hydrocyanic
    • Cyanide, Hydrogen
    • Acide cyanhydrique [French]
    • NA1613
    • UN1051
    • UN1613
    • UN1614
    • UN3294
    • RCRA waste no. P063
    • Zootic acid
    • Nitrilomethane #
    • Prussic acid, anhydrous, stabilized
    • Carbon hydride nitride
    • Hydrocyanic acid, anhydrous, stabilized
    • Hydrogen cyanide, anhydrous, stabilized
    • Prussic acid, unstabilized
    • UN 1613 (Salt/Mix)
    • UN 1614 (Salt/Mix)
    • HYDROGEN CYANIDE [MI]
    • Hydrocyanic acid (prussic), unstabilized [Forbidden]
    • DTXCID004148
    • HYDROGEN CYANIDE [HSDB]
    • HYDROGEN CYANIDE [WHO-DD]
    • HYDROCYANICUM ACIDUM [HPUS]
    • TFA33420
    • BDBM50152968
    • Hydrocyanic acid, anhydrous, stabilized, absorbed in a porous inert material
    • Hydrogen cyanide, anhydrous, stabilized, absorbed in a porous inert material
    • Prussic acid, anhydrous, stabilized, absorbed in a porous inert material
    • NA 1051
    • Hydrocyanic acid (prussic), unstabilized
    • CHN
    • CS-0621744
    • Hydrogen cyanide, stabilized with <3% water
    • NS00077168
    • C01326
    • Q3416481
    • Graphitic carbon nitride, 99%, length: 1 - 10 mum
    • hydridonitridocarbonhydrogen(nitridocarbonate)methanenitrile
    • Hydrogen cyanide, stabilized with <3% water [UN1051] [Poison]
    • Hydrogen cyanide, stabilized, with <3% water and absorbed in a porous inert material
    • 200-821-6
    • Hydrogen cyanide, stabilized, with <3% water and absorbed in a porous inert material [UN1614] [Poison]
1 of 3
Name CAS Botanical Proportion
Almond 8013-76-1 Prunus dulcis (Miller) D.A. Webb (P. amygdalus Batsch, P. communis L.) 3.0%
Apricot kernel 68650-44-2 Prunus armeniaca L., fam. Rosaceae 3.0%