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4-Methoxy-1,2-dimethylbenzene

Also known as: 3,4-Dimethylanisole, 3,4-Dimethylphenyl methyl ether, Benzene, 4-methoxy-1,2-dimethyl-

4-Methoxy-1,2-dimethylbenzene (CAS 4685-47-6) is a compound in the Ethers category listed in the Jingsj chemical database. It has the molecular formula C9H12O and a molecular weight of 136.191 g/mol. Key properties include a boiling point of 203.1±9.0 °C at 760 mmHg, a density of 0.9±0.1 g/cm3 and a flash point of 75.6±0.0 °C. It is classified under GHS with signal word Danger and hazard statements H302 — Harmful if swallowed, H315 — Causes skin irritation and H318 — Causes serious eye damage. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
4685-47-6
Jingsj CID
J-4374-3
Molecular Formula
C9H12O
Molecular Weight
136.191 g/mol
Category
Ethers
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point203.1±9.0 °C at 760 mmHg
Density0.9±0.1 g/cm3
Flash Point75.6±0.0 °C
Exact Mass136.088821
PSA9.23000
LogP3.05
Vapor Pressure0.4±0.4 mmHg at 25°C
Refractive Index1.495

GHS Safety & Compliance

Corrosion / IrritantSignal word: Danger
  • H302 — Harmful if swallowed
  • H315 — Causes skin irritation
  • H318 — Causes serious eye damage
  • H335 — May cause respiratory irritation

Customs & Trade Information

HS Code2909309090
Summary2909309090 other aromatic ethers 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 4-Methoxy-1,2-dimethylbenzene?

The CAS number of 4-Methoxy-1,2-dimethylbenzene is 4685-47-6.

What are the molecular formula and molecular weight of 4-Methoxy-1,2-dimethylbenzene?

4-Methoxy-1,2-dimethylbenzene has molecular formula C9H12O and molecular weight 136.191 g/mol.

Is 4-Methoxy-1,2-dimethylbenzene hazardous?

4-Methoxy-1,2-dimethylbenzene has GHS signal word Danger and hazard statements H302 — Harmful if swallowed; H315 — Causes skin irritation; H318 — Causes serious eye damage.

What are the upstream and downstream products of 4-Methoxy-1,2-dimethylbenzene?

For 4-Methoxy-1,2-dimethylbenzene, Upstream Products: 3,4-Dimethylphenol, iodomethane, 4-Bromo-1,2-dimethylbenzene; Downstream Products: 4-Methoxyphthalic acid, 5-Methoxy-2-methylbenzoic acid, 2'-Hydroxy-4',5'-dimethylacetophenone.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "4-Methoxy-1,2-dimethylbenzene (CAS 4685-47-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-4374-3 (accessed 2026-11-09).

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