1-(4-Chloro-2-hydroxyphenyl)ethanone
Also known as: 4'-Chloro-2'-hydroxyacetophenone, 4-Chloro-2-hydroxyacetophenone, Ethanone, 1-(4-chloro-2-hydroxyphenyl)-, 2-Acetyl-5-chlorophenol, 1-(4-Chloro-2-hydroxyphenyl)ethan-1-one
1-(4-Chloro-2-hydroxyphenyl)ethanone (CAS 6921-66-0) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C8H7ClO2 and a molecular weight of 170.593 g/mol. Key properties include a melting point of 27-30°C, a boiling point of 268.4±20.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 116.1±21.8 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 6921-66-0
- Jingsj CID
- J-1524785-5
- Molecular Formula
- C8H7ClO2
- Molecular Weight
- 170.593 g/mol
- Category
- Ketones
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 27-30°C |
|---|---|
| Boiling Point | 268.4±20.0 °C at 760 mmHg |
| Density | 1.3±0.1 g/cm3 |
| Flash Point | 116.1±21.8 °C |
| Exact Mass | 170.013458 |
| PSA | 37.30000 |
| LogP | 2.97 |
| Vapor Pressure | 0.0±0.6 mmHg at 25°C |
| Refractive Index | 1.569 |
Customs & Trade Information
| HS Code | 2914700090 |
|---|---|
| Summary | HS: 2914700090 halogenated, sulphonated, nitrated or nitrosated derivatives of ketones and quinones, whether or not with other oxygen function Tax rebate rate:9.0% Supervision conditions:none VAT:17.0% MFN tariff:5.5% General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of 1-(4-Chloro-2-hydroxyphenyl)ethanone?
The CAS number of 1-(4-Chloro-2-hydroxyphenyl)ethanone is 6921-66-0.
What are the molecular formula and molecular weight of 1-(4-Chloro-2-hydroxyphenyl)ethanone?
1-(4-Chloro-2-hydroxyphenyl)ethanone has molecular formula C8H7ClO2 and molecular weight 170.593 g/mol.
What are the upstream and downstream products of 1-(4-Chloro-2-hydroxyphenyl)ethanone?
For 1-(4-Chloro-2-hydroxyphenyl)ethanone, Upstream Products: 3-Chlorophenyl acetate, 1-(4-Chloro-2-methoxyphenyl)ethanone, 3-Chlorophenol; Downstream Products: Dibenzyl ether, 7-Chloro-4-chromanone, 1-(4-Chloro-2-methoxyphenyl)ethanone.
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-(4-Chloro-2-hydroxyphenyl)ethanone (CAS 6921-66-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1524785-5 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.