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1-(4-Chlorophenyl)-2-hydroxy-1-ethanone

2'-羟基-4-氯苯乙酮

Also known as: 4-CHLORO-2-HYDROXYACETOPHENONE, 1-(4-Chlorophenyl)-2-hydroxyethanone, 1-(4-chlorophenyl)-2-hydroxyethan-1-one, 2-HYDROXY-1-(4-CHLOROPHENYL)ETHANONE, 4'-CHLORO-2-HYDROXYACETOPHENONE, Ethanone, 1-(4-chlorophenyl)-2-hydroxy-

1-(4-Chlorophenyl)-2-hydroxy-1-ethanone (CAS 27993-56-2) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C8H7ClO2 and a molecular weight of 170.59300 g/mol. It is also known as 4-CHLORO-2-HYDROXYACETOPHENONE, 1-(4-Chlorophenyl)-2-hydroxyethanone and 1-(4-chlorophenyl)-2-hydroxyethan-1-one. Key properties include a melting point of 127-129ºC, a boiling point of 299.9ºC at 760 mmHg, a density of 1.307g/cm3 and a flash point of 135.2ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
27993-56-2
Jingsj CID
J-1447819-4
Molecular Formula
C8H7ClO2
Chinese Name
2'-羟基-4-氯苯乙酮
Molecular Weight
170.59300 g/mol
Category
Ketones
Last updated
8/21/2026

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Physicochemical Properties

Melting Point127-129ºC
Boiling Point299.9ºC at 760 mmHg
Density1.307g/cm3
Flash Point135.2ºC

Frequently Asked Questions

What is the CAS number of 1-(4-Chlorophenyl)-2-hydroxy-1-ethanone?

The CAS number of 1-(4-Chlorophenyl)-2-hydroxy-1-ethanone is 27993-56-2.

What are the molecular formula and molecular weight of 1-(4-Chlorophenyl)-2-hydroxy-1-ethanone?

1-(4-Chlorophenyl)-2-hydroxy-1-ethanone has molecular formula C8H7ClO2 and molecular weight 170.59300 g/mol.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "1-(4-Chlorophenyl)-2-hydroxy-1-ethanone (CAS 27993-56-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1447819-4 (accessed 2026-10-22).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.