3-Methoxycatechol
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. 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. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 934-00-9
- Jingsj CID
- J-1190995-8
- Molecular Formula
- C7H8O3
- Molecular Weight
- 140.137 g/mol
- Category
- Alcohols
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 38-43 °C(lit.) |
|---|---|
| Boiling Point | 268.1±0.0 °C at 760 mmHg |
| Density | 1.3±0.1 g/cm3 |
| Flash Point | 119.5±21.8 °C |
| Exact Mass | 140.047348 |
| PSA | 49.69000 |
| LogP | 0.70 |
| Vapor Pressure | 0.0±0.5 mmHg at 25°C |
| Refractive Index | 1.580 |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
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 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 and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.
What are the upstream and downstream products of 3-Methoxycatechol?
For 3-Methoxycatechol, Upstream Products: o-Vanillin, Guaiacol, Dimethyl sulfate; Downstream Products: 2,3-dihydroxy-4-methoxybenzaldehyde, 2,3-Dimethoxyphenol, 1,2,3-Trimethoxybenzene.
Data compiled from public chemical databases such as PubChem 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-1190995-8 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.