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127787

Sigma-Aldrich

Crotonoyl chloride

technical grade, 90%

Synonym(s):

(E)-Crotonoyl chloride, trans-Crotonoyl chloride

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5 G
¥9,030
100 G
¥29,900

¥9,030

Estimated to ship onJuly 01, 2025From市川市大町368

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5 G
¥9,030
100 G
¥29,900

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

¥9,030

Estimated to ship onJuly 01, 2025From市川市大町368

Request a Bulk Order

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[1].

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

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

Group 4: Flammable liquids
Type 2 petroleums
Hazardous rank III
Water insoluble liquid

ISHL Indicated Name

Substances Subject to be Indicated Names

ISHL Notified Names

Substances Subject to be Notified Names

JAN Code

127787-5G:4548173983219
127787-1KG:
127787-BULK:
127787-500G:4548173983202
127787-100G:4548173983196
127787-VAR:

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Certificates of Analysis (COA)

Lot/Batch Number
BCBW6024
BCBS2138V
BCBQ1563V
BCBP8895V
BCBL1333V

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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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