1-(2-Hydroxy-3,5-dimethylphenyl)ethan-1-one

Also known as: 3',5'-Dimethyl-2'-hydroxyacetophenone, 2'-Hydroxy-3',5'-dimethylacetophenone, 2-Acetyl-4,6-dimethylphenol, 1-(2-Hydroxy-3,5-dimethylphenyl)ethanone, Ethanone, 1-(2-hydroxy-3,5-dimethylphenyl)-, 3,5-Dimethyl-2-hydroxyacetophenone, 2-Hydroxy-3,5-dimethylacetophenone, 6-Acetyl-2,4-dimethylphenol, MFCD01631133

1-(2-Hydroxy-3,5-dimethylphenyl)ethan-1-one (CAS 1198-66-9) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C10H12O2 and a molecular weight of 164.20100 g/mol. Key properties include a boiling point of 261.6ºC at 760 mmHg, a density of 1.08g/cm3 and a flash point of 108.5ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 1198-66-9
Jingsj CID: J-37335-3
Molecular Formula: C₁₀H₁₂O₂
Molecular Weight: 164.20100 g/mol
Category: Ketones
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	261.6ºC at 760 mmHg
Density	1.08g/cm3
Flash Point	108.5ºC
Exact Mass	164.08400
PSA	37.30000
LogP	2.21160
Vapor Pressure	0.00704mmHg at 25°C
Refractive Index	1.541

Customs & Trade Information

HS Code	2914501900
Summary	2914501900 other ketone-phenols。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:5.5%。General tariff:30.0%

Frequently Asked Questions

What is the CAS number of 1-(2-Hydroxy-3,5-dimethylphenyl)ethan-1-one?

The CAS number of 1-(2-Hydroxy-3,5-dimethylphenyl)ethan-1-one is 1198-66-9.

What are the molecular formula and molecular weight of 1-(2-Hydroxy-3,5-dimethylphenyl)ethan-1-one?

1-(2-Hydroxy-3,5-dimethylphenyl)ethan-1-one has molecular formula C10H12O2 and molecular weight 164.20100 g/mol.

What are the upstream and downstream products of 1-(2-Hydroxy-3,5-dimethylphenyl)ethan-1-one?

For 1-(2-Hydroxy-3,5-dimethylphenyl)ethan-1-one, Upstream Products: Acetyl chloride, 2,4-Dimethylphenol, acetic acid.

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

Last updated: 8/21/2026

How to cite: Jingsj. "1-(2-Hydroxy-3,5-dimethylphenyl)ethan-1-one (CAS 1198-66-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-37335-3 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.