2,6-Dibromobisthieno[3,2-b:2',3'-d]thiophene

Modify Date: 2025-08-26 16:02:10

2,6-Dibromobisthieno[3,2-b:2',3'-d]thiophene Structure
2,6-Dibromobisthieno[3,2-b:2',3'-d]thiophene structure
 Common Name 2,6-Dibromobisthieno[3,2-b:2',3'-d]thiophene
CAS Number 67061-69-2 Molecular Weight 354.104
Density 2.2±0.1 g/cm3 Boiling Point 447.9±40.0 °C at 760 mmHg
Molecular Formula C8H2Br2S3 Melting Point 171 °C
MSDS Chinese USA Flash Point 224.7±27.3 °C
Symbol GHS07
GHS07		 Signal Word Warning

 Names

Name 2,6-dibromodithieno[2,3-a:2',3'-d]thiophene
Synonym More Synonyms

 Chemical & Physical Properties

Density 2.2±0.1 g/cm3
Boiling Point 447.9±40.0 °C at 760 mmHg
Melting Point 171 °C
Molecular Formula C8H2Br2S3
Molecular Weight 354.104
Flash Point 224.7±27.3 °C
Exact Mass 351.768524
PSA 84.72000
LogP 8.39
Vapour Pressure 0.0±1.0 mmHg at 25°C
Index of Refraction 1.878

 Safety Information

Symbol GHS07
GHS07
Signal Word Warning
Hazard Statements H302-H319
Precautionary Statements P305 + P351 + P338
RIDADR NONH for all modes of transport
HS Code 2934999090

 Synthetic Route

dtt structure

dtt

CAS#:3593-75-7

~96%

2,6-Dibromobisthieno[3,2-b:2',3'-d]thiophene Structure

2,6-Dibromobist...

CAS#:67061-69-2

Literature: KYUSHU UNIVERSITY NATIONAL UNIVERSITY CORPORATION; ADACHI, Chihaya; Yasuda, Takuma; Yu Seok, Yang; Kakizoe, Hayato; Mieno, Hiroyuki Patent: US2013/207081 A1, 2013 ; Location in patent: Paragraph 0081; 0082; 0083 ;
DITHIENO[3,2-B:2',3'-D]THIOPHENE-2,6-DICARBOXYLIC ACID DIETHYL ESTER structure

DITHIENO[3,2-B:...

CAS#:502764-52-5

~86%

2,6-Dibromobisthieno[3,2-b:2',3'-d]thiophene Structure

2,6-Dibromobist...

CAS#:67061-69-2

Literature: Kwon, Tae-Hyuk; Armel, Vanessa; Nattestad, Andrew; MacFarlane, Douglas R.; Bach, Udo; Lind, Samuel J.; Gordon, Keith C.; Tang, Weihua; Jones, David J.; Holmes, Andrew B. Journal of Organic Chemistry, 2011 , vol. 76, # 10 p. 4088 - 4093
G-KG structure

G-KG

CAS#:502764-53-6

~%

2,6-Dibromobisthieno[3,2-b:2',3'-d]thiophene Structure

2,6-Dibromobist...

CAS#:67061-69-2

Literature: Journal of Organic Chemistry, , vol. 76, # 10 p. 4088 - 4093

 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%

 Synonyms

Dithieno[3,2-b:2',3'-d]thiophene, 2,6-dibromo-
2,6-Dibromobisthieno[3,2-b:2',3'-d]thiophene
2,5-BIS[(1,3-DIOXOBUTYL)AMINO]BENZENESULFONIC ACID
2,6-dibromo-DTT
2,6-Dibromodithieno[3,2-b:2',3'-d]thiophene
2,6-dibromodithieno<3,2-b:2',3'-d>thiophene
2,5-dibromodithieno[3,2-b,2',3'-d]thiophene
5,5'-dibromodithieno[3,2-b:2',3'-d]thiophene
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Chemsrc provides CAS#:67061-69-2 MSDS, density, melting point, boiling point, structure, etc. Its name is 2,6-Dibromobisthieno[3,2-b:2',3'-d]thiophene>> amp version: 2,6-Dibromobisthieno[3,2-b:2',3'-d]thiophene

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