bis(2-thienyl) ketone
Also known as: Di-2-thienyl ketone, 2-(2-Thenoyl)thiophene, Bis(thien-2-yl)methanone, Di(thiophen-2-yl)methanone, dithiophen-2-ylmethanone, Tiotropium Bromide Impurity F, MFCD00052096
bis(2-thienyl) ketone (CAS 704-38-1) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C9H6OS2 and a molecular weight of 194.27300 g/mol. Key properties include a melting point of 90-94 °C(lit.), a boiling point of 323ºC at 760 mmHg, a density of 1.326g/cm3 and a flash point of 149.1ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 704-38-1
- Jingsj CID
- J-1362264-5
- Molecular Formula
- C9H6OS2
- Molecular Weight
- 194.27300 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 90-94 °C(lit.) |
|---|---|
| Boiling Point | 323ºC at 760 mmHg |
| Density | 1.326g/cm3 |
| Flash Point | 149.1ºC |
| Exact Mass | 193.98600 |
| PSA | 73.55000 |
| LogP | 3.04060 |
| Refractive Index | 1.64 |
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 bis(2-thienyl) ketone?
The CAS number of bis(2-thienyl) ketone is 704-38-1.
What are the molecular formula and molecular weight of bis(2-thienyl) ketone?
bis(2-thienyl) ketone has molecular formula C9H6OS2 and molecular weight 194.27300 g/mol.
What are the upstream and downstream products of bis(2-thienyl) ketone?
For bis(2-thienyl) ketone, Upstream Products: 2-Thiophenecarbonyl chloride, 2-Iodothiophene, Diethyl methylmalonate; Downstream Products: 2-(2-Thiophenylmethyl)thiophene, bis(2-thienyl) ketoxime, 5,5-Di(thiophen-2-yl)imidazolidine-2,4-dione.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "bis(2-thienyl) ketone (CAS 704-38-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1362264-5 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.