3,4-diphenylthiophene-2,5-dicarboxylic acid

Suppliers

Names

[ CAS No. ]:
19799-42-9

[ Name ]:
3,4-diphenylthiophene-2,5-dicarboxylic acid

[Synonym ]:
3,4-Diphenyl-thiophen-2,5-dicarbonsaeure
3,4-diphenyl-thiophene-2,5-dicarboxylic acid

Chemical & Physical Properties

[ Density]:
1.382g/cm3

[ Boiling Point ]:
428.6ºC at 760 mmHg

[ Molecular Formula ]:
C18H12O4S

[ Molecular Weight ]:
324.35000

[ Flash Point ]:
213ºC

[ Exact Mass ]:
324.04600

[ PSA ]:
102.84000

[ LogP ]:
4.47850

[ Vapour Pressure ]:
4.14E-08mmHg at 25°C

[ Index of Refraction ]:
1.67

Safety Information

[ HS Code ]:
2934999090

Synthetic Route

Precursor & DownStream

Precursor

  • Diethyl 2,2'-sulfanediyldiacetate
  • Benzil

DownStream

  • 2,5-bis(chloromethyl)-3,4-diphenylthiophene
  • Thiophene,3,4-diphenyl-
  • diethyl 3,4-diphenylthiophene-2,5-dicarboxylate

Customs

[ HS Code ]: 2934999090

[ Summary ]:
2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%


Related Compounds

  • diethyl 3,4-diphenylthiophene-2,5-dicarboxylate
  • dimethyl 3,4-diphenylthiophene-2,5-dicarboxylate
  • 3,4-dimethoxythiophene-2,5-dicarboxylic acid
  • 3,4-dihydroxyfuran-2,5-dicarboxylic acid
  • 3,4-diphenylfuran-2,5-dicarboxylic acid
  • 3,4-didecoxythiophene-2,5-dicarboxylic acid