1-(2,2'-Bithiophen-5-yl)ethanone
Also known as: 5-Acetyl-2,2'-bithiophene, 2-Acetyl-5-(thien-2-yl)thiophene, 5-Acetyl-2,2'-bithienyl, 1-[5-(2-Thienyl)-2-thienyl]ethanone, 2-Acetyl-5-(2-thienyl)thiophene, AKOS BAR-0752, SALOR-INT L164879-1EA
1-(2,2'-Bithiophen-5-yl)ethanone (CAS 3515-18-2) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C10H8OS2 and a molecular weight of 208.300 g/mol. Key properties include a melting point of 109-114ºC, a boiling point of 363.4±32.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 173.6±25.1 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 3515-18-2
- Jingsj CID
- J-26983-0
- Molecular Formula
- C10H8OS2
- Molecular Weight
- 208.300 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 109-114ºC |
|---|---|
| Boiling Point | 363.4±32.0 °C at 760 mmHg |
| Density | 1.3±0.1 g/cm3 |
| Flash Point | 173.6±25.1 °C |
| Exact Mass | 208.001648 |
| PSA | 73.55000 |
| LogP | 2.94 |
| Vapor Pressure | 0.0±0.8 mmHg at 25°C |
| Refractive Index | 1.615 |
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 1-(2,2'-Bithiophen-5-yl)ethanone?
The CAS number of 1-(2,2'-Bithiophen-5-yl)ethanone is 3515-18-2.
What are the molecular formula and molecular weight of 1-(2,2'-Bithiophen-5-yl)ethanone?
1-(2,2'-Bithiophen-5-yl)ethanone has molecular formula C10H8OS2 and molecular weight 208.300 g/mol.
What are the upstream and downstream products of 1-(2,2'-Bithiophen-5-yl)ethanone?
For 1-(2,2'-Bithiophen-5-yl)ethanone, Upstream Products: 2,2'-Bithiophene, N,N-Dimethylacetamide, 2-Acetyl-5-bromothiophene.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "1-(2,2'-Bithiophen-5-yl)ethanone (CAS 3515-18-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-26983-0 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.