Home > Organosulfur Compounds> Dithieno[2,3-b:3',2'-d]thiophene

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

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Origin: China

Cas No: 236-63-5

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 50 mt/month

Lead time: 7 days for OEM, 3 days for ready goods

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CAS No.: 236-63-5 Formula: C8H4S3 Molecular Weight: 196.31200

Basic Info

Chemical Name	Dithieno[2,3-b:3',2'-d]thiophene
Synonyms	dithieno[3,2-a:3',2'-d]thiophene;
CAS No.	236-63-5
Molecular Formula	C8H4S3
Molecular Weight	196.31200
PSA	84.72000
LogP	4.17750

Properties

Density	1.556 g/cm3
Boiling Point	342.4ºC at 760 mmHg
Flash Point	119.5ºC
Refractive Index	1.865
Vapor Pressure	0.000149mmHg at 25°C

Safety Info

HS Code	2934999090
Hazard Codes	Xi

Synthesis Route

2-thiophen-2-ylsulfanylthiophene→Bisthieno[2,3-b:2',3'-d]thiophene+Dithieno[2,3-b:3',2'-d]thiophene
2-Thiophenethiol→Bisthieno[2,3-b:2',3'-d]thiophene+Dithieno[2,3-b:3',2'-d]thiophene
2-thiophen-2-ylsulfanylthiophene→Thiophene(SIV)+2-Thiophenethiol

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-thiophen-2-ylsulfanylthiophene

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