Isocrotonic acid
Names | |
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Preferred IUPAC name
(2Z)-But-2-enoic acid | |
Other names
(Z)-But-2-enoic acid (Z)-2-Butenoic acid cis-2-Butenoic acid cis-β-Methylacryllic acid (Z)-β-Methylacryllic acid | |
Identifiers | |
503-64-0 | |
3D model (Jmol) | Interactive image |
ChEBI | CHEBI:36253 |
ChemSpider | 558890 |
ECHA InfoCard | 100.007.249 |
EC Number | 207-973-2 |
PubChem | 643792 |
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Properties | |
C4H6O2 | |
Molar mass | 86.09 g·mol−1 |
Density | 1,03 g·cm−3 [1] |
Melting point | 15 °C (59 °F; 288 K)[1] |
Boiling point | 168 to 169 °C (334 to 336 °F; 441 to 442 K)[1] |
Related compounds | |
Related Carboxylic acids |
Crotonic acid (trans isomer) Angelic acid (2-methyl-isocrotonic acid) |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). | |
verify (what is ?) | |
Infobox references | |
Isocrotonic acid (or quartenylic acid) is the cis analogue of crotonic acid. It is an oil, possessing a smell similar to that of brown sugar. It boils at 171.9 °C, concomitant with conversion into crotonic acid. Isomerizaton is complete when the cis acid is heated to 170–180 °C in a sealed tube.
References
- 1 2 3 The Merck Index. An Encyclopaedia of Chemicals, Drugs and Biologicals. 14. Auflage, 2006, S. 894, ISBN 978-0-911910-00-1.
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