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4-Bromo-2,3-dimethylanisole

Also known as: 1-Bromo-2,3-dimethyl-4-methoxybenzene, 1-bromo-4-methoxy-2,3-dimethylbenzene, 1-bromo-4-methoxy-2,3-dimethylbenzene, MFCD01652199

4-Bromo-2,3-dimethylanisole (CAS 50638-48-7) is a compound in the Ethers category listed in the Jingsj chemical database. It has the molecular formula C9H11BrO and a molecular weight of 215.08700 g/mol. Key properties include a boiling point of 197ºC(lit.), a density of 1.36 g/mL at 25ºC(lit.) and a flash point of >110.0 °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 Nov 3, 2026.

CAS No.
50638-48-7
Jingsj CID
J-857139-9
Molecular Formula
C9H11BrO
Molecular Weight
215.08700 g/mol
Category
Ethers
Last updated
11/3/2026
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Physicochemical Properties

Boiling Point197ºC(lit.)
Density1.36 g/mL at 25ºC(lit.)
Flash Point>110.0 °C
Exact Mass213.99900
PSA9.23000
LogP3.07450
Refractive Indexn20/D 1.566(lit.)

GHS Safety & Compliance

IrritantSignal word: Warning
  • H315 — Causes skin irritation
  • H319 — Causes serious eye irritation
  • 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-Bromo-2,3-dimethylanisole?

The CAS number of 4-Bromo-2,3-dimethylanisole is 50638-48-7.

What are the molecular formula and molecular weight of 4-Bromo-2,3-dimethylanisole?

4-Bromo-2,3-dimethylanisole has molecular formula C9H11BrO and molecular weight 215.08700 g/mol.

Is 4-Bromo-2,3-dimethylanisole hazardous?

4-Bromo-2,3-dimethylanisole 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 4-Bromo-2,3-dimethylanisole?

For 4-Bromo-2,3-dimethylanisole, Upstream Products: 2,3-Dimethylanisole, 4-Bromo-2,3-dimethylphenol, iodomethane; Downstream Products: 2,3-Bis(bromomethyl)-1,4-dimethoxybenzene, 1,4-Dimethoxy-2,3-dimethylbenzene.

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-Bromo-2,3-dimethylanisole (CAS 50638-48-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-857139-9 (accessed 2026-11-09).

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