2,4,6-Trimethoxyphenol

Also known as: 1,3,5-trimethoxyphenol, 2,4,6-Trimethoxy-phenol, 2,4,6-Trimethoxyphen, 2-Hydroxy-1,3,5-trimethoxybenzene, Phenol, 2,4,6-trimethoxy-

2,4,6-Trimethoxyphenol (CAS 20491-92-3) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C9H12O4 and a molecular weight of 184.189 g/mol. Key properties include a boiling point of 308.1±37.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 140.1±26.5 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 20491-92-3
Jingsj CID: J-1438695-9
Molecular Formula: C₉H₁₂O₄
Molecular Weight: 184.189 g/mol
Category: Alcohols
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	308.1±37.0 °C at 760 mmHg
Density	1.2±0.1 g/cm3
Flash Point	140.1±26.5 °C
Exact Mass	184.073563
PSA	47.92000
LogP	0.36
Vapor Pressure	0.0±0.7 mmHg at 25°C
Refractive Index	1.515

Customs & Trade Information

HS Code	2909500000
Summary	2909500000 ether-phenols, ether-alcohol-phenols and their halogenated, sulphonated, nitrated or nitrosated derivatives 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 2,4,6-Trimethoxyphenol?

The CAS number of 2,4,6-Trimethoxyphenol is 20491-92-3.

What are the molecular formula and molecular weight of 2,4,6-Trimethoxyphenol?

2,4,6-Trimethoxyphenol has molecular formula C9H12O4 and molecular weight 184.189 g/mol.

What are the upstream and downstream products of 2,4,6-Trimethoxyphenol?

For 2,4,6-Trimethoxyphenol, Upstream Products: 2,4,6-Trimethoxybenzaldehyde, 2,4,6-Trimethoxyphenyl β-D-glucopyranoside, 1,3,5-Trimethoxybenzene; Downstream Products: 2,6-Dimethoxy-1,4-benzoquinone, Bindschedler's Green Leuco Base.

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. "2,4,6-Trimethoxyphenol (CAS 20491-92-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1438695-9 (accessed 2026-11-09).

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