2-Butenoic acid,4-(4-methoxyphenyl)-4-oxo-

Names

[ CAS No. ]:
5711-41-1

[ Name ]:
2-Butenoic acid,4-(4-methoxyphenyl)-4-oxo-

[Synonym ]:
(E)-4-(4-methoxyphenyl)-4-oxobut-2-enoic acid
MFCD00020486

Chemical & Physical Properties

[ Density]:
1.24g/cm3

[ Boiling Point ]:
389.3ºC at 760 mmHg

[ Melting Point ]:
132-136 °C(lit.)

[ Molecular Formula ]:
C₁₁H₁₀O₄

[ Molecular Weight ]:
206.19500

[ Flash Point ]:
155.2ºC

[ Exact Mass ]:
206.05800

[ PSA ]:
63.60000

[ LogP ]:
1.51870

[ Index of Refraction ]:
1.561

MSDS

Safety Information

[ Symbol ]:

GHS07

[ Signal Word ]:
Warning

[ Hazard Statements ]:
H315-H319-H335

[ Precautionary Statements ]:
P261-P305 + P351 + P338

[ Personal Protective Equipment ]:
dust mask type N95 (US);Eyeshields;Gloves

[ Hazard Codes ]:
Xi

[ Risk Phrases ]:
R36/37/38

[ Safety Phrases ]:
S26-S36

[ RIDADR ]:
NONH for all modes of transport

[ WGK Germany ]:
3

[ RTECS ]:
AT2250000

[ HS Code ]:
2918990090

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

Maleic anhydride
Anisole
(E)-ETHYL 4-(4-METHOXYPHENYL)-4-OXOBUT-2-ENOATE
methyl 4-(4-methoxyphenyl)-4-oxo-butanoate
PTP inhibitor 1
1-(4-methoxyphenyl)-2-(triphenyl-λ-phosphoranylidene)ethanone
3-bromo-4-(4-methoxy-phenyl)-4-oxo-butyric acid
4-(4-Methoxyphenyl)-4-oxobutanoic acid

DownStream

Customs

[ HS Code ]: 2918990090

[ Summary ]:
2918990090. other carboxylic acids with additional oxygen function and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%

Related Compounds

2-Butenoic acid,4-(4-methoxyphenyl)-4-oxo-,ethyl ester
2-Butenoic acid,4-[(4-methoxyphenyl)amino]-4-oxo-
2-Butenoic acid, 4-(4-hydroxy-3-methoxyphenyl)-4-oxo-, (E)-
bromebric acid
ethyl 2-acetyl-4-(4-methoxyphenyl)-4-oxobut-2-enoate
ethyl 2-cyano-4-(4-methoxyphenyl)-4-oxobut-2-enoate