2-hydroxy-1-(4-methoxyphenyl)ethan-1-one

2-羟基-4'-甲氧基苯乙酮

Also known as: 2-hydroxy-1-(4-methoxyphenyl)-1-ethanone, 2-hydroxy-1-(4-methoxyphenyl)ethanone, 1-(4-methoxyphenyl)-2-hydroxyethanone, 4'-methoxy-α-hydroxyacetophenone, α-hydroxy-4'-methoxyacetophenone, alpha-hydroxy-4'-methoxyacetophenone, Ethanone,2-hydroxy-1-(4-methoxyphenyl)-, MFCD00004668, NSC 67341

2-hydroxy-1-(4-methoxyphenyl)ethan-1-one (CAS 4136-21-4) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C9H10O3 and a molecular weight of 166.17400 g/mol. It is also known as 2-hydroxy-1-(4-methoxyphenyl)-1-ethanone, 2-hydroxy-1-(4-methoxyphenyl)ethanone and 1-(4-methoxyphenyl)-2-hydroxyethanone. Key properties include a melting point of 100-103ºC, a boiling point of 316.6ºC at 760 mmHg, a density of 1.166 g/cm3 and a flash point of 129.4ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
4136-21-4
Jingsj CID
J-1447923-0
Molecular Formula
C9H10O3
Chinese Name
2-羟基-4'-甲氧基苯乙酮
Molecular Weight
166.17400 g/mol
Category
Ketones
Last updated
8/21/2026

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Physicochemical Properties

Melting Point100-103ºC
Boiling Point316.6ºC at 760 mmHg
Density1.166 g/cm3
Flash Point129.4ºC

Frequently Asked Questions

What is the CAS number of 2-hydroxy-1-(4-methoxyphenyl)ethan-1-one?

The CAS number of 2-hydroxy-1-(4-methoxyphenyl)ethan-1-one is 4136-21-4.

What are the molecular formula and molecular weight of 2-hydroxy-1-(4-methoxyphenyl)ethan-1-one?

2-hydroxy-1-(4-methoxyphenyl)ethan-1-one has molecular formula C9H10O3 and molecular weight 166.17400 g/mol.

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

Last updated:

How to cite: Jingsj. "2-hydroxy-1-(4-methoxyphenyl)ethan-1-one (CAS 4136-21-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1447923-0 (accessed 2026-10-22).

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