Tetramethyl 3,3',4,4'-biphenyltetracarboxylate

Names

[ CAS No. ]:
36978-37-7

[ Name ]:
Tetramethyl 3,3',4,4'-biphenyltetracarboxylate

[Synonym ]:
biphenyl-3,4,3',4'-tetracarboxylic acid tetramethyl ester
Tetramethyl biphenyl-3,3',4,4'-tetracarboxylate
tetramethyl biphenyl-3,4,3',4'-tetracarboxylate
Biphenyl-3,4,3',4'-tetracarbonsaeure-tetramethylester
biphenyl-3,3',4,4'-tetracarboxylic acid tetramethyl ester
3,3',4,4'-biphenyltetracarboxylic acid tetramethyl ester
TETRAMETHYL 3,3',4,4'-BIPHENYLTETRACARBOXYLATE
3,4,3',4'-biphenyltetracarboxylic acid tetramethyl ester

Chemical & Physical Properties

[ Density]:
1.261

[ Boiling Point ]:
496.444ºC at 760 mmHg

[ Melting Point ]:
93-101ºC

[ Molecular Formula ]:
C20H18O8

[ Molecular Weight ]:
386.35200

[ Flash Point ]:
216.529ºC

[ Exact Mass ]:
386.10000

[ PSA ]:
105.20000

[ LogP ]:
2.50000

[ Index of Refraction ]:
1.552

[ Storage condition ]:
2-8°C

Safety Information

[ HS Code ]:
2917399090

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

  • Dimethyl 4-bromophthalate
  • Dimethyl phthalate
  • dimethyl 4-iodobenzene-1,2-dicarboxylate
  • 4-Iodo-1,2-benzenedicarboxylic acid

DownStream

  • 3,3',4,4'-Biphenyltetracarboxylic acid
  • Biphthalicanhydride

Customs

[ HS Code ]: 2917399090

[ Summary ]:
2917399090 aromatic polycarboxylic acids, 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%