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3-Methylcatechol

Also known as: 1,2-Dihydroxy-3-methylbenzene, 2,3-Dihydroxytoluene, 3-Methyl-1,2-benzenediol, 3-Methylpyrocatechol, 3-Methylbenzene-1,2-diol, 2,3-Toluenediol, 1,2-Benzenediol, 3-methyl-, 3-Methylcatechol-d3, 2,3-Toluenediol-d3, MFCD00016435

3-Methylcatechol (CAS 488-17-5) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C7H8O2 and a molecular weight of 124.137 g/mol. Key properties include a melting point of 65-68 °C(lit.), a boiling point of 240.9±20.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 116.7±16.4 °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.
488-17-5
Jingsj CID
J-20682-6
Molecular Formula
C7H8O2
Molecular Weight
124.137 g/mol
Category
Alcohols
Last updated
8/21/2026

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Physicochemical Properties

Melting Point65-68 °C(lit.)
Boiling Point240.9±20.0 °C at 760 mmHg
Density1.2±0.1 g/cm3
Flash Point116.7±16.4 °C
Exact Mass124.052429
PSA40.46000
LogP1.34
Vapor Pressure0.0±0.5 mmHg at 25°C
Refractive Index1.595
Additional Propertysoluble

GHS Safety & Compliance

IrritantSignal word: Warning
  • H315 — Causes skin irritation
  • H319 — Causes serious eye irritation
  • H335 — May cause respiratory irritation

Activity & Biological Data

Additional Information[1]. L E Hüsken, et al. Integrated bioproduction and extraction of 3-methylcatechol. J Biotechnol. 2001 Jun 1;88(1):11-9.

Customs & Trade Information

HS Code2907299090
Summary2907299090 polyphenols; phenol-alcohols。supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward)。VAT:17.0%。tax rebate rate:9.0%。MFN tariff:5.5%。general tariff:30.0%

Frequently Asked Questions

What is the CAS number of 3-Methylcatechol?

The CAS number of 3-Methylcatechol is 488-17-5.

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

3-Methylcatechol has molecular formula C7H8O2 and molecular weight 124.137 g/mol.

Is 3-Methylcatechol hazardous?

3-Methylcatechol 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-Methylcatechol?

For 3-Methylcatechol, Upstream Products: 2-Methoxy-6-methylphenol, 3-Methylsalicylaldehyde, 2,3-dimethoxytoluene; Downstream Products: 3-Methylphthalonitrile, 2,3-dimethoxytoluene, 2-Methoxy-6-methylphenol.

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-Methylcatechol (CAS 488-17-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-20682-6 (accessed 2026-11-09).

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