(2E)-4-Oxo-2-butenoic acid

Modify Date: 2025-09-08 18:53:16

(2E)-4-Oxo-2-butenoic acid Structure
(2E)-4-Oxo-2-butenoic acid structure
Common Name (2E)-4-Oxo-2-butenoic acid
CAS Number 4437-06-3 Molecular Weight 100.07300
Density 1.248g/cm3 Boiling Point 271.2ºC at 760mmHg
Molecular Formula C4H4O3 Melting Point N/A
MSDS N/A Flash Point 132.1ºC

 Names

Name (2E)-4-Oxo-2-butenoic acid
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.248g/cm3
Boiling Point 271.2ºC at 760mmHg
Molecular Formula C4H4O3
Molecular Weight 100.07300
Flash Point 132.1ºC
Exact Mass 100.01600
PSA 54.37000

 Safety Information

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

4-oxo-2-butenoic acid
2-Butenal,4,4-dimethoxy
4-oxo-trans-crotonic acid,fumaraldehydic acid
fumaraldehyde dimethyl acetal
4-oxo-2E-butenoate
trans-4,4-dimethoxy-2-butenal
4-Oxo-trans-crotonsaeure,Fumaraldehydsaeure
fumaraldehydic acid
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