![Molecular structure of Dithieno[3,2-b:2',3'-d]thiophene (CAS 3593-75-7)](/images/chem_structures_svg/441/3593-75-7.svg)
Dithieno[3,2-b:2',3'-d]thiophene
Also known as: Dithieno[2,3-b:2',3'-d]thiophene, DTT, Bisthieno[3,2-b:2',3'-d]thiophene, Dithieno[3,2-b:2,3-d]thiophene, dithieno[2,3-a:2',3'-d]thiophene
Dithieno[3,2-b:2',3'-d]thiophene (CAS 3593-75-7) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C8H4S3 and a molecular weight of 196.312 g/mol. Key properties include a melting point of 67ºC, a boiling point of 342.0±22.0 °C at 760 mmHg, a density of 1.6±0.1 g/cm3 and a flash point of 119.3±8.5 °C. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed and H319 — Causes serious eye irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 3593-75-7
- Jingsj CID
- J-39541-2
- Molecular Formula
- C8H4S3
- Molecular Weight
- 196.312 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 67ºC |
|---|---|
| Boiling Point | 342.0±22.0 °C at 760 mmHg |
| Density | 1.6±0.1 g/cm3 |
| Flash Point | 119.3±8.5 °C |
| Exact Mass | 195.947510 |
| PSA | 84.72000 |
| LogP | 6.24 |
| Vapor Pressure | 0.0±0.7 mmHg at 25°C |
| Refractive Index | 1.866 |
GHS Safety & Compliance
- H302 — Harmful if swallowed
- H319 — Causes serious eye irritation
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 Dithieno[3,2-b:2',3'-d]thiophene?
The CAS number of Dithieno[3,2-b:2',3'-d]thiophene is 3593-75-7.
What are the molecular formula and molecular weight of Dithieno[3,2-b:2',3'-d]thiophene?
Dithieno[3,2-b:2',3'-d]thiophene has molecular formula C8H4S3 and molecular weight 196.312 g/mol.
Is Dithieno[3,2-b:2',3'-d]thiophene hazardous?
Dithieno[3,2-b:2',3'-d]thiophene has GHS signal word Warning and hazard statements H302 — Harmful if swallowed; H319 — Causes serious eye irritation.
What are the upstream and downstream products of Dithieno[3,2-b:2',3'-d]thiophene?
For Dithieno[3,2-b:2',3'-d]thiophene, Upstream Products: 3,3'-Dibromo-2,2'-bithiophene, 3,4-Dibromo-2,5-thiophenedicarbaldehyde, 3-Bromothiophene; Downstream Products: 2,6-Dibromodithieno[3,2-b:2',3'-d]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. "Dithieno[3,2-b:2',3'-d]thiophene (CAS 3593-75-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-39541-2 (accessed 2026-11-07).
Data for reference only; verify product details with suppliers before purchase.