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LC1461 Crotonoyl chloride

(mixture of cis- and trans isomers) for synthesis


Order number Packaging Quantity Price €
AC28461 Glass bottle 25 ml 40.5


Product information
Synonyms Crotonic acid chloride
Hill Formula C4H5ClO
Chemical formula CH3CH=CHCOCl
HS Code 2916 19 95
EC number 234-010-3
Molar mass 104.54 g/mol
CAS number 10487-71-5


Chemical and physical data
Solubility (20 °C) (decomposition)
Molar mass 104.54 g/mol
Density 1.09 g/cm3 (20 °C)
Boiling point 120 – 123 °C
Flash point 40 °C
Refractive index 1.4595 (20 °C, 589 nm)


Safety information
R Phrase R 10-34-37
Flammable.Causes burns.Irritating to respiratory system.
S Phrase S 26-36/37/39-45
In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.Wear suitable protective clothing, gloves and eye/face protection.In case of accident or if you feel unwell, seek medical advice immediately (show the label where possible).
Categories of danger flammable, corrosive
Hazard Symbol


Storage class 3 Flammable Liquids
WGK WGK 1 slightly water endangering
Disposal 11
Organic acid halides, anhydrides and isocyanates can be added dropwise to an excess of methanol (Cat. No. 822283) to convert them into the corresponding methyl esters or methyl carbamates. If necessary, neutralize with sodium hydroxide solution (Cat. No. 105587). Fill into container A.


Transport information
Declaration (transport by sea) IMDG-Code UN 2920 CORROSIVE LIQUID, FLAMMABLE, N.O.S.(CROTONOYL CHLORIDE), 8 (3), II
Declaration (transport by air) IATA-DGR UN 2920 CORROSIVE LIQUID, FLAMMABLE, N.O.S.(CROTONOYL CHLORIDE), 8 (3), II


Assay isomers (GC, area%) ≥ 95 %
Density (d 20 °C/ 4 °C) 1.080 – 1.090
Identity (IR) passes test


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