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Identify Suppliers 2025 Properties Safty

(E)-2-Butenoic acid methyl ester

BGC Id:	582825347614
CAS No:	623-43-8
Synonyms:	methyicrotonate ; methyl but-2-enoate ; (e)-ch3ch=chc(o)och3 ; methyl-2-crotonate ; crotonic acid methyl ; methyl crotonate 98% ; methylcrotonate,98% ; methyl crotonate ,99% ; methyl crotonate ; methyl e-crotonate
Molecular Formula:	C5H8O2
Molecular Weight:	100.12
EINECS:	210-793-7

Verified providers in 2025

The following notable provider has been checked and can be recommended.

Hangzhou Zhongqi Chem Co., Ltd

会社のタイプ: Leading producer

電話: +86-571-86976032
ファックス: +86-571-86972162
カントリー: P.R.China

Located in Hangzhou National Hi-Tech Industrial Development Zone, zhongqichem is a technical company mainly focus on the Custom synthesis, manufacturing, sales of chemicals to various industries. 我々としても2,3-Cyclohexenopyridineを販売しています。 Our advantage : 1.We do not simply provide chemicals , we provide chemical solutions and expertise; 2.We have trained, highly effective team to solve the ...

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What other providers are available for CAS 623-43-8?

The last intensive check and update was carried out on 2025/11/26.

Identify

Synonyms:

methyicrotonate ; methyl but-2-enoate ; (e)-ch3ch=chc(o)och3 ; methyl-2-crotonate ; crotonic acid methyl ; methyl crotonate 98% ; methylcrotonate,98% ; methyl crotonate ,99% ; methyl crotonate ; methyl e-crotonate

CAS:

623-43-8

EINECS:

210-793-7

Molecular Formula:

C5H8O2

MDL:

MFCD00009287

Properties

Molecular Weight:

100.12 g·mol−1

Density:

0.944 g/mL at 25 °C(lit.)

Melting point:

-42° C

Boiling point:

118-120 °C(lit.)

Flash point:

40 ºF

Physical Description:

clear colourless liquid

Safety Information

Hazard Symbols: F, Xi

Europe standard Hazard pictograms, code and definition

Hazard Classes:

Risk Codes:

11-36/37/38 (R)

Safety Codes:

16-26-36-9-33 (S)

WGK Germany:

RID / ADR:

UN 3272 3 / PG 2

RTECS:

GQ5710000

Storage temperature:

Flammables area

What other providers are available for CAS 623-43-8?

In addition to the providers presented here for (E)-2-Butenoic acid methyl ester with the CAS number 623-43-8, there are other 57 providers with slightly different product names available for this CAS number.

Methyl crotonate

Methyl but-2-enoate

+2 additional providers that we know from the past

trans-Methyl crotonate

Leap Chem Co., Ltd | Skyrun Industrial Co., Ltd. +13 additional providers that we know from the past

Crotonic acid methyl ester

BIOZOL Diagnostica Vertrieb GmbH | BuGuCh & Partners +1 additional providers that we know from the past