CAS 2960-66-9|(E)-Ethyl 4-oxobut-2-enoate

Introduction：Basic information about CAS 2960-66-9|(E)-Ethyl 4-oxobut-2-enoate, including its chemical name, molecular formula, synonyms, physicochemical properties, and safety information, etc.

Table of Contents

1. Names
2. Chemical & Physical Properties
3. Safety Information
4. Customs
5. Synonyms

Common Name	(E)-Ethyl 4-oxobut-2-enoate
CAS Number	2960-66-9	Molecular Weight	128.126
Density	1.0±0.1 g/cm3	Boiling Point	199.3±23.0 °C at 760 mmHg
Molecular Formula	C₆H₈O₃	Melting Point	-9ºC
MSDS	/	Flash Point	78.6±22.7 °C

Names

Name	Ethyl trans-4-oxo-2-butenoate,
Synonym	More Synonyms

Chemical & Physical Properties

Density	1.0±0.1 g/cm3
Boiling Point	199.3±23.0 °C at 760 mmHg
Melting Point	-9ºC
Molecular Formula	C₆H₈O₃
Molecular Weight	128.126
Flash Point	78.6±22.7 °C
Exact Mass	128.047348
PSA	43.37000
LogP	0.00
Vapour Pressure	0.3±0.4 mmHg at 25°C
Index of Refraction	1.436
InChIKey	SDGAEBKMHIPSAC-ONEGZZNKSA-N
SMILES	CCOC(=O)C=CC=O
Storage condition	2-8°C

Safety Information

Hazard Codes	C
Risk Phrases	R25;R34;R43
Safety Phrases	S23-S36/37/39-S45
RIDADR	UN 2927
Packaging Group	III
Hazard Class	8，6.1
HS Code	2918300090

Customs

HS Code	2918300090
Summary	2918300090 other carboxylic acids with aldehyde or ketone function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:30.0%

Synonyms

ethyl fumaraldehydate

Ethyl (2E)-4-oxo-2-butenoate

(E)-Ethyl 4-oxobut-2-enoate

Ethyl (2E)-4-oxobut-2-enoate

ETHYL TRANS-4-OXO-2-BUTENOATE

Ethyl 4-oxobut-2-enoate

4-oxo-but-2-enoic acid ethyl ester

Ethyl 3-formylacrylate~Ethyl fumaraldehydate~trans-4-Oxo-2-butenoic acid ethyl ester

ethyl 3-formylacrylate

2-Butenoic acid, 4-oxo-, ethyl ester, (2E)-

4-oxocrotonic acid ethyl ester

(2E)-4-oxo-2-butenoic acid ethyl ester

(E)-4-oxobut-2-enoic acid ethyl ester

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