3,4-Dimethoxytoluene

Also known as: 1,2-Dimethoxy-4-methylbenzene, Homoveratrole, 4-Methylveratrole, 4-Methylcatechol dimethyl ether, Benzene, 1,2-dimethoxy-4-methyl-, Toluene, 3,4-dimethoxy-

3,4-Dimethoxytoluene (CAS 494-99-5) is a compound in the Solvents category listed in the Jingsj chemical database. It has the molecular formula C9H12O2 and a molecular weight of 152.190 g/mol. Key properties include a melting point of 22-23 °C(lit.), a boiling point of 220.0±0.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 72.6±21.3 °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.: 494-99-5
Jingsj CID: J-6348-9
Molecular Formula: C₉H₁₂O₂
Molecular Weight: 152.190 g/mol
Category: Solvents
Last updated: 8/21/2026

Request MSDS / TDS

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point	22-23 °C(lit.)
Boiling Point	220.0±0.0 °C at 760 mmHg
Density	1.0±0.1 g/cm3
Flash Point	72.6±21.3 °C
Exact Mass	152.083725
PSA	18.46000
LogP	2.41
Vapor Pressure	0.2±0.4 mmHg at 25°C
Refractive Index	1.490
Additional Property	insoluble

GHS Safety & Compliance

IrritantSignal word: Warning

H315 — Causes skin irritation
H319 — Causes serious eye irritation
H335 — May cause respiratory irritation

Frequently Asked Questions

What is the CAS number of 3,4-Dimethoxytoluene?

The CAS number of 3,4-Dimethoxytoluene is 494-99-5.

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

3,4-Dimethoxytoluene has molecular formula C9H12O2 and molecular weight 152.190 g/mol.

Is 3,4-Dimethoxytoluene hazardous?

3,4-Dimethoxytoluene 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 3,4-Dimethoxytoluene?

For 3,4-Dimethoxytoluene, Upstream Products: Veratraldehyde, Dimethyl sulfate, 4-methylcatechol; Downstream Products: 1-Bromo-4,5-dimethoxy-2-nitrobenzene, 2,3-Dimethoxy-5-methyl-1,4-benzoquinone, 4-methylcatechol.

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-Dimethoxytoluene (CAS 494-99-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-6348-9 (accessed 2026-11-09).

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