Crotonic acid nitrile
Structural formula | ||||||||||||||||
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General | ||||||||||||||||
Surname | Crotonic acid nitrile | |||||||||||||||
Molecular formula | C 4 H 5 N | |||||||||||||||
Brief description |
yellowish liquid |
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External identifiers / databases | ||||||||||||||||
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properties | ||||||||||||||||
Molar mass | 67.09 g mol −1 | |||||||||||||||
Physical state |
liquid |
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density |
0.82 g cm −3 (25 ° C) |
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Melting point |
−50 ° C |
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boiling point |
120-121 ° C |
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Vapor pressure |
50 h Pa (30 ° C) |
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solubility |
little in water (29 g l −1 at 20 ° C) |
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Refractive index |
1.419 (20 ° C) |
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safety instructions | ||||||||||||||||
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Thermodynamic properties | ||||||||||||||||
ΔH f 0 |
95.1 kJ / mol |
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As far as possible and customary, SI units are used. Unless otherwise noted, the data given apply to standard conditions . Refractive index: Na-D line , 20 ° C |
Crotonic acid nitrile is an unsaturated nitrile with a trans -substituted carbon-carbon double bond. The isomeric cis compound is of little importance. The compound is a yellowish liquid. Another isomeric compound is allyl cyanide .
Individual evidence
- ↑ a b c d e f g h Entry on crotonitrile in the GESTIS substance database of the IFA , accessed on February 8, 2017(JavaScript required) .
- ↑ Data sheet Crotononitrile, mixture of cis and trans from Sigma-Aldrich , accessed on June 3, 2011 ( PDF ).
- ↑ David R. Lide (Ed.): CRC Handbook of Chemistry and Physics . 90th edition. (Internet version: 2010), CRC Press / Taylor and Francis, Boca Raton, FL, Standard Thermodynamic Properties of Chemical Substances, pp. 5-25.