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DITHIENO[2,3-B:2',3'-D]THIOPHENE

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Origin: China

Cas No: 3593-75-7

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 100 mt/month

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

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CAS No.: 3593-75-7 Formula: C8H4S3 Molecular Weight: 196.31200

Basic Info

Chemical Name	DITHIENO[2,3-B:2',3'-D]THIOPHENE
Synonyms	Dithieno[3,2-b:2',3'-d]thiophene; Dithieno[2,3-b:2,3-d]thiophene; dithieno[2,3-a:2',3'-d]thiophene;
CAS No.	3593-75-7
Molecular Formula	C8H4S3
Molecular Weight	196.31200
PSA	84.72000
LogP	4.17750

Properties

Density	1.556 g/cm3
Boiling Point	342ºC at 760 mmHg
Melting Point	67ºC
Flash Point	119.3ºC
Refractive Index	1.865

Safety Info

Safety Statements	S26
HS Code	2934999090
Risk Statements	R22; R36
Hazard Codes	Xi; Xn

Synthesis Route

DTT-2,6-dicarboxylic acid→DITHIENO[2,3-B:2',3'-D]THIOPHENE
3,3'-Dibromo-2,2'-bithiophene→DITHIENO[2,3-B:2',3'-D]THIOPHENE
dithieno[3,2-c:2',3'-e][1,2]dithiine→DITHIENO[2,3-B:2',3'-D]THIOPHENE

Precursor

3,3'-Dibromo-2,2'-bithiophene
dithieno[3,2-c:2',3'-e][1,2]dithiine
3-thiophen-3-ylsulfanylthiophene
dithieno[3,2-b,2',3'-d]thiophene-2,6-dicarboxylic acid diethyl ester

Downstream Product

2,6-dibromodithieno[2,3-a:2',3'-d]thiophene
dithieno[2,3-a:2',3'-d]thiophene-2,6-dicarbaldehyde
2,6-dithiophen-2-yldithieno[2,3-a:2',3'-d]thiophene
2,6-diphenyldithieno[2,3-a:2',3'-d]thiophene

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