3,4-Dibromothieno[2,3-b]thiophene

3,4-二溴噻吩[2,3-b]噻吩

Also known as: Thieno[2,3-b]thiophene, 3,4-dibromo-, 3,4-dibromothieno[2,3-b]thiophene, 3,4-dibromo-thieno[2,3-b]thiophene

3,4-Dibromothieno[2,3-b]thiophene (CAS 53255-78-0) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C6H2Br2S2 and a molecular weight of 298.01800 g/mol. It is also known as Thieno[2,3-b]thiophene, 3,4-dibromo-, 3,4-dibromothieno[2,3-b]thiophene and 3,4-dibromo-thieno[2,3-b]thiophene. Key properties include a melting point of 133 °C, a boiling point of 349ºC at 760 mmHg, a density of 2.209g/cm3 and a flash point of 164.9ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
53255-78-0
Jingsj CID
J-972374-2
Molecular Formula
C6H2Br2S2
Chinese Name
3,4-二溴噻吩[2,3-b]噻吩
Molecular Weight
298.01800 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point133 °C
Boiling Point349ºC at 760 mmHg
Density2.209g/cm3
Flash Point164.9ºC

Frequently Asked Questions

What is the CAS number of 3,4-Dibromothieno[2,3-b]thiophene?

The CAS number of 3,4-Dibromothieno[2,3-b]thiophene is 53255-78-0.

What are the molecular formula and molecular weight of 3,4-Dibromothieno[2,3-b]thiophene?

3,4-Dibromothieno[2,3-b]thiophene has molecular formula C6H2Br2S2 and molecular weight 298.01800 g/mol.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "3,4-Dibromothieno[2,3-b]thiophene (CAS 53255-78-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-972374-2 (accessed 2026-10-23).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.