Crotonic acid chloride

Structural formula
General
Surname	Crotonic acid chloride
Molecular formula	C 4 H 5 ClO
Brief description	colorless liquid with a pungent odor
External identifiers / databases
CAS number 10487-71-5 EC number 234-010-3 ECHA InfoCard 100.030.906 PubChem 643131 Wikidata Q1141616
properties
Molar mass	104.54 g mol −1
Physical state	liquid
density	1.09 g cm −3 (20 ° C)
boiling point	120-123 ° C
solubility	Decomposes in water
Refractive index	1.4595 (20 ° C, 589 nm)
safety instructions
GHS labeling of hazardous substances danger H and P phrases H: 226-314-335 P: 210-280-301 + 330 + 331-304 + 340-305 + 351 + 338-309 + 310
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 chloride is an unsaturated carboxylic acid chloride with a trans -substituted carbon-carbon double bond. The isomeric cis compound is of little importance. The compound is a colorless liquid with a pungent odor.

Individual evidence

1. ↑ ^{a b c d e f} Entry on crotonoyl chloride in the GESTIS substance database of the IFA , accessed on February 1, 2016(JavaScript required) .
2. ↑ Data sheet crotonoyl chloride (PDF) from Merck , accessed on June 3, 2011.