3,4,5-Trimethoxyphenylacetone

Also known as: 1-(3,4,5-Trimethoxyphenyl)propan-2-one, 1-(3,4,5-Trimethoxyphenyl)acetone, 1-(3,4,5-trimethoxyphenyl)propan-2-one, 2-Propanone, 1-(3,4,5-trimethoxyphenyl)-, 3,4,5-TRIMETHOXYPHENYLACETONE, 3,4,5-TRIMETHOXYPHENYLACETONE USP/EP/BP, 3,4,5-trimethoxyphenyl-2-propanone, MFCD00210454

3,4,5-Trimethoxyphenylacetone (CAS 16603-18-2) is a compound in the Solvents category listed in the Jingsj chemical database. It has the molecular formula C12H16O4 and a molecular weight of 224.25300 g/mol. Key properties include a melting point of 58-62ºC, a boiling point of 314.9ºC at 760mmHg, a density of 1.078g/cm3 and a flash point of 136.1ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 16603-18-2
Jingsj CID: J-14052-3
Molecular Formula: C₁₂H₁₆O₄
Molecular Weight: 224.25300 g/mol
Category: Solvents
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	58-62ºC
Boiling Point	314.9ºC at 760mmHg
Density	1.078g/cm3
Flash Point	136.1ºC
Exact Mass	224.10500
PSA	44.76000
LogP	1.84390
Vapor Pressure	0.000451mmHg at 25°C
Refractive Index	1.493

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 3,4,5-Trimethoxyphenylacetone?

The CAS number of 3,4,5-Trimethoxyphenylacetone is 16603-18-2.

What are the molecular formula and molecular weight of 3,4,5-Trimethoxyphenylacetone?

3,4,5-Trimethoxyphenylacetone has molecular formula C12H16O4 and molecular weight 224.25300 g/mol.

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. "3,4,5-Trimethoxyphenylacetone (CAS 16603-18-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-14052-3 (accessed 2026-11-09).

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