2-Hydroxy-2-methylpropiophenone

2-羟基-2-甲基苯丙酮

Also known as: 2-Hydroxy-2-methyl-1-phenyl-1-propanone, 2-Hydroxy-2-methyl-1-phenylpropan-1-one, 1-Propanone, 2-hydroxy-2-methyl-1-phenyl-, 2-Benzoyl-2-propanol, Benzoyl isopropanol, Photocure-1173, Irgacure 1173, Omnirad 1173, PI-1173, hydroxydimethylacetophenone, Alpha-hydroxyisobutyrophenone, MFCD00040710, EINECS 231-272-0

2-Hydroxy-2-methylpropiophenone (CAS 7473-98-5) is a compound in the Solvents category listed in the Jingsj chemical database. It has the molecular formula C10H12O2 and a molecular weight of 164.201 g/mol. It is also known as 2-Hydroxy-2-methyl-1-phenyl-1-propanone, 2-Hydroxy-2-methyl-1-phenylpropan-1-one and 1-Propanone, 2-hydroxy-2-methyl-1-phenyl-. Key properties include a melting point of 4°C, a boiling point of 80-81 ºC, a density of 1.077 and a flash point of 230 ºF. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
7473-98-5
Jingsj CID
J-33154-6
Molecular Formula
C10H12O2
Chinese Name
2-羟基-2-甲基苯丙酮
Molecular Weight
164.201 g/mol
Category
Solvents
Last updated
8/21/2026

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Physicochemical Properties

Melting Point4°C
Boiling Point80-81 ºC
Density1.077
Flash Point230 ºF

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of 2-Hydroxy-2-methylpropiophenone?

The CAS number of 2-Hydroxy-2-methylpropiophenone is 7473-98-5.

What are the molecular formula and molecular weight of 2-Hydroxy-2-methylpropiophenone?

2-Hydroxy-2-methylpropiophenone has molecular formula C10H12O2 and molecular weight 164.201 g/mol.

Is 2-Hydroxy-2-methylpropiophenone hazardous?

2-Hydroxy-2-methylpropiophenone has GHS signal word Warning.

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

Last updated:

How to cite: Jingsj. "2-Hydroxy-2-methylpropiophenone (CAS 7473-98-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-33154-6 (accessed 2026-10-23).

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