3-Methoxycatechol

3-甲氧基苯邻二酚

Also known as: 1,2-Benzenediol, 3-methoxy-, 1,2-Dihydroxy-3-methoxybenzene, 3-Methoxypyrocatechol, Pyrogallol monomethyl ether, 1-O-Methylpyrogallol, 2-Hydroxy-3-methoxyphenol, 3-Methoxy-1,2-benzenediol, 3-Methoxy-1,2-dihydroxybenzene, 3-Methoxy-o-hydroquinone, 3-Methoxybenzene-1,2-diol, Pyrogallol 1-methyl ether, 2,3-Dihydroxyanisole

3-Methoxycatechol (CAS 934-00-9) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C7H8O3 and a molecular weight of 140.137 g/mol. It is also known as 1,2-Benzenediol, 3-methoxy-, 1,2-Dihydroxy-3-methoxybenzene and 3-Methoxypyrocatechol. Key properties include a melting point of 38-43 °C(lit.), a boiling point of 268.1±0.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 119.5±21.8 °C. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
934-00-9
Jingsj CID
J-1190995-4
Molecular Formula
C7H8O3
Chinese Name
3-甲氧基苯邻二酚
Molecular Weight
140.137 g/mol
Category
Alcohols
Last updated
8/21/2026

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Physicochemical Properties

Melting Point38-43 °C(lit.)
Boiling Point268.1±0.0 °C at 760 mmHg
Density1.3±0.1 g/cm3
Flash Point119.5±21.8 °C

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of 3-Methoxycatechol?

The CAS number of 3-Methoxycatechol is 934-00-9.

What are the molecular formula and molecular weight of 3-Methoxycatechol?

3-Methoxycatechol has molecular formula C7H8O3 and molecular weight 140.137 g/mol.

Is 3-Methoxycatechol hazardous?

3-Methoxycatechol 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. "3-Methoxycatechol (CAS 934-00-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1190995-4 (accessed 2026-10-22).

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