2-(p-toluenesulfonyl)acetophenone
Also known as: 2-[(4-methylphenyl)sulfonyl]-1-phenylethanone, 1-phenyl-2-tosylethanone, alpha-(p-toluenesulfonyl)acetophenone, 2-(4-methylbenzenesulfonyl)-1-phenylethanone, p-toluenesulfonylacetophenone, (p-Tolylsulfonyl)benzoylmethane
2-(p-toluenesulfonyl)acetophenone (CAS 31378-03-7) is a compound in the Solvents category listed in the Jingsj chemical database. It has the molecular formula C15H14O3S and a molecular weight of 274.33500 g/mol. Key properties include a melting point of 109 °C, a boiling point of 478.1ºC at 760 mmHg, a density of 1.227 g/cm3 and a flash point of 304.7ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 31378-03-7
- Jingsj CID
- J-1314717-6
- Molecular Formula
- C15H14O3S
- Molecular Weight
- 274.33500 g/mol
- Category
- Solvents
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 109 °C |
|---|---|
| Boiling Point | 478.1ºC at 760 mmHg |
| Density | 1.227 g/cm3 |
| Flash Point | 304.7ºC |
| Exact Mass | 274.06600 |
| PSA | 59.59000 |
| LogP | 3.73240 |
| Refractive Index | 1.579 |
Customs & Trade Information
| HS Code | 2914399090 |
|---|---|
| Summary | 2914399090. other aromatic ketones without other oxygen function. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:5.5%. General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of 2-(p-toluenesulfonyl)acetophenone?
The CAS number of 2-(p-toluenesulfonyl)acetophenone is 31378-03-7.
What are the molecular formula and molecular weight of 2-(p-toluenesulfonyl)acetophenone?
2-(p-toluenesulfonyl)acetophenone has molecular formula C15H14O3S and molecular weight 274.33500 g/mol.
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-(p-toluenesulfonyl)acetophenone (CAS 31378-03-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1314717-6 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.