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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Identification

Chemical structure
Display Name:
Hydrogen cyanide
EC Number:
200-821-6
EC Name:
Hydrogen cyanide
CAS Number:
74-90-8
Molecular formula:
CHN
IUPAC Name:
hydrogen cyanide

Type of Substance

Composition:
mono-constituent substance
Origin:
inorganic

Substance Identifiers open all close all

  • Blausaure
  • Carbon hydride nitride (CHN)
  • Cyanwasserstoff
  • Cyclone B
  • Evercyn
  • Formic anammonide
  • Formonitrile
  • HCN
  • Hydrocyanic acid
  • Hydrocyanic acid (8CI, 9CI)
  • Hydrogen Cyanide
  • Hydrogen cyanide
  • Prussic acid
  • Uragan
  • Compositions

    Boundary Composition(s) open all close all

    State Form:
    liquid


    Constituent 1
    Chemical structure
    Reference substance name:
    Hydrogen cyanide
    EC Number:
    200-821-6
    EC Name:
    Hydrogen cyanide
    CAS Number:
    74-90-8
    Molecular formula:
    CHN
    IUPAC Name:
    hydrogen cyanide

    Legal Entity Composition(s) open all close all



    Constituent 1
    Chemical structure
    Reference substance name:
    Hydrogen cyanide
    EC Number:
    200-821-6
    EC Name:
    Hydrogen cyanide
    CAS Number:
    74-90-8
    Molecular formula:
    CHN
    IUPAC Name:
    hydrogen cyanide
    State Form:
    liquid


    Constituent 1
    Chemical structure
    Reference substance name:
    Hydrogen cyanide
    EC Number:
    200-821-6
    EC Name:
    Hydrogen cyanide
    CAS Number:
    74-90-8
    Molecular formula:
    CHN
    IUPAC Name:
    hydrogen cyanide
    State Form:
    liquid


    Constituent 1
    Chemical structure
    Reference substance name:
    Hydrogen cyanide
    EC Number:
    200-821-6
    EC Name:
    Hydrogen cyanide
    CAS Number:
    74-90-8
    Molecular formula:
    CHN
    IUPAC Name:
    hydrogen cyanide


    Constituent 1
    Chemical structure
    Reference substance name:
    Hydrogen cyanide
    EC Number:
    200-821-6
    EC Name:
    Hydrogen cyanide
    CAS Number:
    74-90-8
    Molecular formula:
    CHN
    IUPAC Name:
    hydrogen cyanide


    Constituent 1
    Chemical structure
    Reference substance name:
    Hydrogen cyanide
    EC Number:
    200-821-6
    EC Name:
    Hydrogen cyanide
    CAS Number:
    74-90-8
    Molecular formula:
    CHN
    IUPAC Name:
    hydrogen cyanide


    Constituent 1
    Chemical structure
    Reference substance name:
    Hydrogen cyanide
    EC Number:
    200-821-6
    EC Name:
    Hydrogen cyanide
    CAS Number:
    74-90-8
    Molecular formula:
    CHN
    IUPAC Name:
    hydrogen cyanide


    Constituent 1
    Chemical structure
    Reference substance name:
    Hydrogen cyanide
    EC Number:
    200-821-6
    EC Name:
    Hydrogen cyanide
    CAS Number:
    74-90-8
    Molecular formula:
    CHN
    IUPAC Name:
    hydrogen cyanide

    Composition(s) generated upon use

    Other types of composition(s)