![Molecular structure of 2,3,5,6-Tetrabromothieno[3,2-b]thiophene (CAS 124638-53-5)](/images/chem_structures_svg/239/124638-53-5.svg)
2,3,5,6-Tetrabromothieno[3,2-b]thiophene
Also known as: Tetrabromo-thieno[3,2-b]thiophene, Perbromothieno[3,2-b]thiophene, 2,3,5,6-Tetrabromothieno[3,2-b]thiophene, Thieno[3,2-b]thiophene,2,3,5,6-tetrabromo-
2,3,5,6-Tetrabromothieno[3,2-b]thiophene (CAS 124638-53-5) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C6Br4S2 and a molecular weight of 455.81000 g/mol. Key properties include a melting point of 232-236°C, a boiling point of 443.2ºC at 760 mmHg, a density of 2.725g/cm3 and a flash point of 221.8ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 124638-53-5
- Jingsj CID
- J-1368767-7
- Molecular Formula
- C6Br4S2
- Molecular Weight
- 455.81000 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 232-236°C |
|---|---|
| Boiling Point | 443.2ºC at 760 mmHg |
| Density | 2.725g/cm3 |
| Flash Point | 221.8ºC |
| Exact Mass | 451.61700 |
| PSA | 56.48000 |
| LogP | 6.01280 |
| Vapor Pressure | 1.23E-07mmHg at 25°C |
| Refractive Index | 1.801 |
Customs & Trade Information
| HS Code | 2934999090 |
|---|---|
| Summary | 2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
Frequently Asked Questions
What is the CAS number of 2,3,5,6-Tetrabromothieno[3,2-b]thiophene?
The CAS number of 2,3,5,6-Tetrabromothieno[3,2-b]thiophene is 124638-53-5.
What are the molecular formula and molecular weight of 2,3,5,6-Tetrabromothieno[3,2-b]thiophene?
2,3,5,6-Tetrabromothieno[3,2-b]thiophene has molecular formula C6Br4S2 and molecular weight 455.81000 g/mol.
What are the upstream and downstream products of 2,3,5,6-Tetrabromothieno[3,2-b]thiophene?
For 2,3,5,6-Tetrabromothieno[3,2-b]thiophene, Upstream Products: Thieno[3,2-b]thiophene, 2,3,5-tribromothieno[3,2-b]thiophene, Thieno[3,2-b]thiophene-2-carboxylic acid; Downstream Products: 3,6-dibromothieno[3,2-b]thiophene.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "2,3,5,6-Tetrabromothieno[3,2-b]thiophene (CAS 124638-53-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1368767-7 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.