(2E)-4-Oxo-2-butenoic acid
Names
[ CAS No. ]:
4437-06-3
[ Name ]:
(2E)-4-Oxo-2-butenoic acid
[Synonym ]:
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
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
Synthetic Route
Precursor & DownStream
Precursor
DownStream
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%