2-Acetylbenzothiophene
2-乙酰基苯并噻吩
Also known as: 1-(1-Benzothiophen-2-yl)ethanone, 1-(Benzo[b]thiophen-2-yl)ethanone, 1-(Benzo[b]thiophen-2-yl)ethan-1-one, 1-Benzo(b)thien-2-ylethan-1-one, 2-Acetyl-1-benzothiophene, 2-Acetylbenzo[b]thiophene, 2-Acetylthianaphthene, Ethanone, 1-benzo[b]thien-2-yl-, Ketone, benzo[b]thien-2-yl methyl
2-Acetylbenzothiophene (CAS 22720-75-8) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C10H8OS and a molecular weight of 176.235 g/mol. It is also known as 1-(1-Benzothiophen-2-yl)ethanone, 1-(Benzo[b]thiophen-2-yl)ethanone and 1-(Benzo[b]thiophen-2-yl)ethan-1-one. Key properties include a melting point of 86-88°C, a boiling point of 304.5±15.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 138.0±20.4 °C. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 22720-75-8
- Jingsj CID
- J-8727-4
- Molecular Formula
- C10H8OS
- Chinese Name
- 2-乙酰基苯并噻吩
- Molecular Weight
- 176.235 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 86-88°C |
|---|---|
| Boiling Point | 304.5±15.0 °C at 760 mmHg |
| Density | 1.2±0.1 g/cm3 |
| Flash Point | 138.0±20.4 °C |
| Exact Mass | 176.029587 |
| PSA | 45.31000 |
| LogP | 3.75 |
| Vapor Pressure | 0.0±0.6 mmHg at 25°C |
| Refractive Index | 1.647 |
GHS Safety & Compliance
- H302 — Harmful if swallowed
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-Acetylbenzothiophene?
The CAS number of 2-Acetylbenzothiophene is 22720-75-8.
What are the molecular formula and molecular weight of 2-Acetylbenzothiophene?
2-Acetylbenzothiophene has molecular formula C10H8OS and molecular weight 176.235 g/mol.
Is 2-Acetylbenzothiophene hazardous?
2-Acetylbenzothiophene has GHS signal word Warning and hazard statements H302 — Harmful if swallowed.
What are the upstream and downstream products of 2-Acetylbenzothiophene?
For 2-Acetylbenzothiophene, Downstream Products: 1-(1-Benzothiophen-2-yl)-2-bromo-1-ethanone, 1-(1-Benzothiophen-2-yl)ethanol, Benzo[b]thiophene-2-carboxylic acid.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "2-Acetylbenzothiophene (CAS 22720-75-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-8727-4 (accessed 2026-10-28).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.