(E)-Ethyl 4-oxobut-2-enoate
Names
[ CAS No. ]:
2960-66-9
[ Name ]:
(E)-Ethyl 4-oxobut-2-enoate
[Synonym ]:
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
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
[ 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
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%