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Key Documents

Safety Information

8.20351

Sigma-Aldrich

Crotonoyl chloride

(mixture of cis- and trans isomers) for synthesis

Synonym(s):

Crotonoyl chloride, Crotonic acid chloride

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About This Item

Linear Formula:
CH3CH=CHCOCl
CAS Number:
Molecular Weight:
104.53
UNSPSC Code:
12352106
EC Index Number:
234-010-3
NACRES:
NA.22

Quality Level

Assay

≥95.0% (GC)

form

liquid

transition temp

flash point 40.5 °C

density

1.09 g/cm3 at 20 °C

storage temp.

2-30°C

InChI

1S/C4H5ClO/c1-2-3-4(5)6/h2-3H,1H3/b3-2+

InChI key

RJUIDDKTATZJFE-NSCUHMNNSA-N

Analysis Note

Assay (GC, area%): ≥ 95.0 % (a/a)
Density (d 20 °C/ 4 °C): 1.080 - 1.090
Identity (IR): passes test

Signal Word

Danger

Hazard Statements

Hazard Classifications

Flam. Liq. 3 - Skin Corr. 1B - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

3 - Flammable liquids

WGK

WGK 1

Flash Point(F)

104.9 °F

Flash Point(C)

40.5 °C


Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

FSL

Flammable liquids
Type 2 petroleums
Hazardous rank III
Water insoluble liquid


Certificates of Analysis (COA)

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