Benzo[b]benzo[4,5]thieno[2,3-d]thiophene

Names

[ CAS No. ]:
248-70-4

[ Name ]:
Benzo[b]benzo[4,5]thieno[2,3-d]thiophene

[Synonym ]:
5,10-dithia-indeno[2,1-a]indene
[1]Benzothiopheno[3,2-b][1]benzothiophene
(1)Benzothieno(3,2-b)(1)benzothiophene
[1]Benzothieno[3,2-b][1]benzothiophene
[1]benzothieno[3,2-b]benzothiophene
Benzo[b]benzo[4,5]thieno[2,3-d]thiophen
Benzo[b]benzo[4,5]thieno[2,3-d]thiophene
benzthieno[3,2-b]benzothiophene

Chemical & Physical Properties

[ Density]:
1.4±0.1 g/cm3

[ Boiling Point ]:
432.3±18.0 °C at 760 mmHg

[ Melting Point ]:
218.0-222.0°C

[ Molecular Formula ]:
C₁₄H₈S₂

[ Molecular Weight ]:
240.343

[ Flash Point ]:
162.1±7.4 °C

[ Exact Mass ]:
240.006744

[ PSA ]:
56.48000

[ LogP ]:
5.31

[ Vapour Pressure ]:
0.0±1.0 mmHg at 25°C

[ Index of Refraction ]:
1.854

Safety Information

[ HS Code ]:
2934999090

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

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%