1-(2,5-Dimethoxyphenyl)ethanone

Also known as: 2',5'-Dimethoxyacetophenone, 2,5-Dimethoxyacetophenone, Methyl 2,5-dimethoxyphenyl ketone, 1-(2,5-Dimethoxyphenyl)-Ethanone, Ethanone, 1-(2,5-dimethoxyphenyl)-, MFCD00008728

1-(2,5-Dimethoxyphenyl)ethanone (CAS 1201-38-3) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C10H12O3 and a molecular weight of 180.201 g/mol. Key properties include a melting point of 18-20 °C(lit.), a boiling point of 294.3±0.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 111.3±8.2 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 1201-38-3
Jingsj CID: J-9685-5
Molecular Formula: C₁₀H₁₂O₃
Molecular Weight: 180.201 g/mol
Category: Ketones
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	18-20 °C(lit.)
Boiling Point	294.3±0.0 °C at 760 mmHg
Density	1.1±0.1 g/cm3
Flash Point	111.3±8.2 °C
Exact Mass	180.078644
PSA	35.53000
LogP	2.11
Vapor Pressure	0.0±0.6 mmHg at 25°C
Refractive Index	1.499

Customs & Trade Information

HS Code	2914509090
Summary	HS:2914509090 other ketones with other oxygen function VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:5.5% General tariff:30.0%

Frequently Asked Questions

What is the CAS number of 1-(2,5-Dimethoxyphenyl)ethanone?

The CAS number of 1-(2,5-Dimethoxyphenyl)ethanone is 1201-38-3.

What are the molecular formula and molecular weight of 1-(2,5-Dimethoxyphenyl)ethanone?

1-(2,5-Dimethoxyphenyl)ethanone has molecular formula C10H12O3 and molecular weight 180.201 g/mol.

What are the upstream and downstream products of 1-(2,5-Dimethoxyphenyl)ethanone?

For 1-(2,5-Dimethoxyphenyl)ethanone, Upstream Products: 1-(2,5-Dimethoxyphenyl)ethanol, 1,4-Dimethoxybenzene, Acetyl chloride; Downstream Products: 2',5'-Dihydroxyacetophenone, 2'-Hydroxy-5'-methoxyacetophenone, 2,5-Dihydroxybenzoic 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-(2,5-Dimethoxyphenyl)ethanone (CAS 1201-38-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-9685-5 (accessed 2026-11-09).

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