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Chemical Properties

CAS Registry Number: 78-82-0

Selected information from two of the National Library of Medicine's databases: ChemIDPlus2 and HSDB3.

Names 1

  • 2-Methylpropanenitrile
  • Isobutyronitrile
  • Isopropyl Cyanide

Structure

Chemical Structure for Chemical Abstracts Service Registry Number 78-82-0 from NLM

Synonyms (Sources: NTP,HSDB,RTECS,MESH)2

  • 1-Cyano-1-methylethane
  • 2-Cyanopropane
  • 2-Methylpropane nitrile
  • 2-Methylpropanenitrile
  • 2-Methylpropionitrile
  • 4-02-00-00853 (Beilstein Handbook Reference)
  • BRN 1340512
  • Dimethylacetonitrile
  • HSDB 5221
  • Isobutyronitrile
  • Isopropyl cyanide
  • Isopropyl nitrile
  • Isopropylkyanid [Czech]
  • Propanenitrile, 2-methyl-
  • Propanoic acid, 2-methyl-, nitrile
  • alpha-Methylpropanenitrile

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Other Registry Numbers2

  • None Found

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Chemical Properties3

Property Description
Boiling Point
  • 103.9 deg C @ 760 mm Hg
Color/Form
  • Colorless liquid
Corrosivity
  • None Found
Critical Temperature & Pressure
  • None Found
Density/Specific Gravity
  • 0.7704 @ 20 deg C
Dissociation Constants
  • None Found
Heat Of Combustion
  • -2560.65 kJ/mol @ 25 deg C (liquid)
Heat Of Vaporization
  • 36.65 kJ/mol @ 25 deg C
Melting Point
  • -71.5 deg C
Molecular Weight
  • 69.1
Odor
  • Almond-like odor.
Other Chemical/Physical Properties
  • Specific gravity: 0.773 @ 20 deg C/20 deg C
Relative Evaporation Rate
  • None Found
Solubilities
  • Slightly soluble in water, very soluble in alcohol, ether
  • Sol in acetone
Spectral Properties
  • IR: SAD 10652 (Sadtler Research Laboratories Prism Collection)
  • Index of refraction: 1.3713 @ 25 deg C/D
  • MS: NIST 19063 (NIST/EPA/MSDC Mass Spectral Database 1990 version); ALDN 10 (Aldermaston, Eight Peak Index of Mass Spectra, UK)
  • NMR: 408 (Varian Associates NMR Spectra Catalogue)
Surface Tension
  • 0.02493 N/m @ 20 deg C; 0.02384 N/m @ 30 deg C
Taste
  • None Found
Vapor Density
  • 2.38 (AIR= 1)
Vapor Pressure
  • 32.7 mm Hg @ 25 deg C
Viscosity
  • 0.551 cP @ 15 deg C; 0.456 cP @ 30 deg
log P (octanol-water)
  • log Kow = 0.46
pH
  • None Found

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Uses3

  • As a catalyst in the polymerization of ethylene. **PEER REVIEWED**
  • Intermediate for insecticides **PEER REVIEWED**
  • Used in organic synthesis and as a gasoline additive **PEER REVIEWED**

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Notes (Sources: NTP,HSDB,RTECS,MESH)2

  • None Found.

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Superlist Classes2

  • Threshold Planning Quantity (TPQ) = 1000 lb

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Links to Additional Information2

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Footnotes

1 Source: the NTP's CEBS database.

2 Source: the National Library of Medicine's ChemIDPlus, 02/28/2017.

3 Source: the National Library of Medicine's Hazardous Substance Database, 02/28/2017.

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