Dithieno[2,3-b:3',2'-d]thiophene

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Names

[ CAS No. ]:
236-63-5

[ Name ]:
Dithieno[2,3-b:3',2'-d]thiophene

[Synonym ]:
Dithieno(2,3-b:3',2'-d)thiophene
Bisthieno[2,3-b:3',2'-d]thiophene
dithieno[2,3-b:3′,2′-d]thiophene
dithieno[3,2-a:3',2'-d]thiophene
Dithieno[2,3-b:3',2'-d]thiophene

Chemical & Physical Properties

[ Density]:
1.6±0.1 g/cm3

[ Boiling Point ]:
342.4±22.0 °C at 760 mmHg

[ Molecular Formula ]:
C8H4S3

[ Molecular Weight ]:
196.312

[ Flash Point ]:
119.5±8.5 °C

[ Exact Mass ]:
195.947510

[ PSA ]:
84.72000

[ LogP ]:
6.24

[ Vapour Pressure ]:
0.0±0.7 mmHg at 25°C

[ Index of Refraction ]:
1.866

Safety Information

[ Hazard Codes ]:
Xi: Irritant;

[ HS Code ]:
2934999090

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

  • 3-bromo-2-(3-bromothiophen-2-yl)sulfanylthiophene
  • 2-bromo-3-(2-bromothiophen-3-yl)thiophene
  • 2,5-bis-(2,2-dimethoxy-ethylmercapto)-thiophene
  • 2,2'-Sulfanediyldithiophene
  • dithieno[2,3-b:3',2'-d]thiophene-3-t
  • dithieno[2,3-b:3',2'-d]thiophene-2-t
  • 2-Thienylthiol

DownStream

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

  • dithieno[2,3-b:3',2'-d]thiophene-3-t
  • dithieno[2,3-b:3',2'-d]thiophene-2-t
  • Dithieno[2,3-b:3',2'-d]thiophene,7,7-dioxide
  • Difuro[2,3-b:3',2'-d]furan-2(3H)-one,4,5-bis- (acetyloxy)-3-[(2E)-(3,3-dimethylcyclohexylidene) ethylidene]hexahydro-,(3Z,3aS,3bR,- 4R,5S,6aS,7aR)-
  • 1H-Dipyrido[2,3-b:3',2'-d]pyrrole
  • dithieno[2,3-b:2',3'-d]thiophene-6-t