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Hydrogen Cyanide

CAS: 74-90-8 | CHN

2D Structure

3D Structure

Loading 3D structure...

Basic Information

CAS Registry Number: 74-90-8
Molecular Formula: CHN
Molecular Weight: 27.025999999999996 g/mol

Names and Synonyms:

Hydrogen Cyanide
Hydrocyanic acid
Formic anammonide
Formonitrile
Hydrogen cyanide
Prussic acid
Carbon hydride nitride (CHN)
Evercyn
Zyklon B
Agent AC
AC
AC (chemical warfare agent)

Identifiers:

SMILES:
C#N
InChI:
InChI=1S/CHN/c1-2/h1H

Spectral Data

NMR, IR, and Mass spectral data

1H NMR
13C NMR
Predicting NMR spectra...
10 ppm 9 8 7 6 5 4 3 2 1 0 ppm
Shift (ppm) Multiplicity Integration Assignment
200 ppm 180 160 140 120 100 80 60 40 20 0 ppm
Shift (ppm) DEPT Assignment

Note: These NMR spectra are predicted computationally and may differ from experimental data. Predictions are based on chemical environment analysis.

External Resources

All Properties

Comprehensive physical and chemical properties

Molecular

Property Value Source
Molecular Weight 27.025999999999996 g/mol RDKit

Exact

Property Value Source
Exact Molecular Weight 27.010899031999998 g/mol RDKit

Heavy

Property Value Source
Heavy Atom Count 2 count RDKit

Hydrogen

Property Value Source
Hydrogen Bond Acceptors 1 count RDKit
Hydrogen Bond Donors 0 count RDKit

Rotatable

Property Value Source
Rotatable Bonds 0 count RDKit

Aromatic

Property Value Source
Aromatic Ring Count 0 count RDKit

Topological

Property Value Source
Topological Polar Surface Area 23.79 Ų RDKit

Physical Properties

Property Value Source
LogP 0.13978 RDKit
molecular_mass 27.03 g/mol Legacy Database
density 0.69 g/cm³ Legacy Database
wikipedia_url https://en.wikipedia.org/wiki/Hydrogen_cyanide None Legacy Database
cas-boiling-point 25.6 °C None Legacy Database
cas-canonical-smile N#C None Legacy Database
cas-density 0.687 g/cm3 None Legacy Database
cas-inchi InChI=1S/CHN/c1-2/h1H None Legacy Database
cas-inchi-key InChIKey=LELOWRISYMNNSU-UHFFFAOYSA-N None Legacy Database
cas-melting-point -13.4 °C None Legacy Database
cas-name Hydrogen cyanide None Legacy Database
wikipedia-name Hydrogen cyanide None Legacy Database

Molar

Property Value Source
Molar Refractivity 6.67 RDKit

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