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127787

Sigma-Aldrich

Crotonoyl chloride

technical grade, 90%

Synonym(s):

(E)-Crotonoyl chloride, trans-Crotonoyl chloride

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About This Item

Linear Formula:
CH3CH=CHCOCl
CAS Number:
625-35-4
Molecular Weight:
104.53
Beilstein:
506118
MDL number:
MFCD00000734
UNSPSC Code:
12352100
PubChem Substance ID:
24847797
NACRES:
NA.22

grade

technical grade

Assay

90%

contains

1500 ppm hydroquinone as stabilizer

refractive index

n20/D 1.459 (lit.)

bp

120-123 °C (lit.)

density

1.091 g/mL at 25 °C (lit.)

functional group

acyl chloride

storage temp.

2-8°C

SMILES string

C\C=C\C(Cl)=O

InChI

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

InChI key

RJUIDDKTATZJFE-NSCUHMNNSA-N

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Application

Crotonoyl chloride was used in the synthesis of α,β-unsaturated ester.

Signal Word

Danger

Hazard Statements

H226,H314,H335,H412

Hazard Classifications

Aquatic Chronic 3 - Eye Dam. 1 - Flam. Liq. 3 - Skin Corr. 1B - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

3 - Flammable liquids

WGK

WGK 3

Flash Point(F)

95.0 °F - closed cup

Flash Point(C)

35 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

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Double asymmetric induction as a mechanistic probe: the doubly diastereoselective conjugate addition of enantiopure lithium amides to enantiopure α,β-unsaturated esters and enantiopure α,β-unsaturated hydroxamates.
Davies SG, et al.
Tetrahedron, 67(34), 6382-6403 (2011)

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