Isobutyronitrile

Isobutyronitrile is a complex organic molecule that has recently been found in several meteorites arrived from space. The singularity of this chemical is due to the fact that it is the only one among the molecules arriving from the universe that has a branched, rather than straight, carbon backbone. The backbone is also larger than usual, in comparison with others.

Isobutyronitrile
Names
Preferred IUPAC name
2-Methylpropanenitrile
Other names
Isopropyl cyanide; 2-Methylpropionitrile
Identifiers
3D model (JSmol)
ChEBI
ChEMBL
ChemSpider
ECHA InfoCard 100.001.043
EC Number
  • 201-147-5
KEGG
PubChem CID
RTECS number
  • TZ4900000
UNII
UN number 2284
  • InChI=1S/C4H7N/c1-4(2)3-5/h4H,1-2H3
    Key: LRDFRRGEGBBSRN-UHFFFAOYSA-N
  • InChI=1/C4H7N/c1-4(2)3-5/h4H,1-2H3
    Key: LRDFRRGEGBBSRN-UHFFFAOYAP
SMILES
  • CC(C)C#N
Properties
C4H7N
Molar mass 69.107 g·mol−1
Appearance Colorless liquid
Odor Almond-like
Melting point −72 °C (−98 °F; 201 K)
Boiling point 103.9 °C (219.0 °F; 377.0 K)
Very soluble in organics
Refractive index (nD)
 1.372
4.29 D
Hazards
GHS labelling:
Danger
H224, H225, H300, H301, H310, H311, H315, H319, H331, H335, H370, H371, H372
P210, P233, P240, P241, P242, P243, P260, P261, P262, P264, P270, P271, P280, P301+P310, P302+P350, P302+P352, P303+P361+P353, P304+P340, P305+P351+P338, P307+P311, P309+P311, P310, P311, P312, P314, P321, P322, P330, P332+P313, P337+P313, P361, P362, P363, P370+P378, P403+P233, P403+P235, P405, P501
Flash point 47 °C (117 °F; 320 K)
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references
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