Butanedioic acid,2-(diphenylmethylene)-, 1-ethyl ester

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Names

[ CAS No. ]:
5438-22-2

[ Name ]:
Butanedioic acid,2-(diphenylmethylene)-, 1-ethyl ester

[Synonym ]:
3-(ethoxycarbonyl)-4,4-diphenyl-3-butenoic acid
1-ethyl 4-hydrogen 2-(diphenylmethylene)succinate
3-(ethoxycarbonyl)-4,4-diphenylbut-3-enoic acid
benzhydrylidene-succinic acid-1-ethyl ester
ethoxycarbonyldiphenylbutenoicacid
Benzhydryliden-bernsteinsaeure-1-aethylester

Chemical & Physical Properties

[ Density]:
1.189g/cm3

[ Boiling Point ]:
459.7ºC at 760mmHg

[ Melting Point ]:
128-130ºC

[ Molecular Formula ]:
C19H18O4

[ Molecular Weight ]:
310.34400

[ Flash Point ]:
162.9ºC

[ Exact Mass ]:
310.12100

[ PSA ]:
63.60000

[ LogP ]:
3.52630

[ Index of Refraction ]:
1.58

Safety Information

[ HS Code ]:
2918990090

Synthetic Route

Precursor & DownStream

Precursor

  • Benzophenone
  • Diethyl succinate
  • Ethanol
  • potassium t-butoxide
  • tert-Butanol

DownStream

  • 4, 4-Diphenylbutyrolactone
  • 3-Butenoic acid, 4,4-diphenyl-
  • 2-(2,2-diphenylcyclopropyl)ethanol

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%