5-(bromomethyl)-1,2,3-trimethoxybenzene

Also known as: 3,4,5-Trimethoxybenzyl bromide, 1-bromomethyl-3,4,5-trimethoxybenzene, 5-(Brommethyl)-1,2,3-trimethoxybenzol, Benzene,5-(bromomethyl)-1,2,3-trimethoxy-

5-(bromomethyl)-1,2,3-trimethoxybenzene (CAS 21852-50-6) is a compound in the Organohalogen Compounds category listed in the Jingsj chemical database. It has the molecular formula C10H13BrO3 and a molecular weight of 261.11200 g/mol. Key properties include a boiling point of 306.5ºC at 760mmHg, a density of 1.367g/cm3 and a flash point of 123.3ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 21852-50-6
Jingsj CID: J-1355876-4
Molecular Formula: C₁₀H₁₃BrO₃
Molecular Weight: 261.11200 g/mol
Category: Organohalogen Compounds
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	306.5ºC at 760mmHg
Density	1.367g/cm3
Flash Point	123.3ºC
Exact Mass	260.00500
PSA	27.69000
LogP	2.60730
Vapor Pressure	0.001mmHg at 25°C
Refractive Index	1.53

Customs & Trade Information

HS Code	2909309090
Summary	2909309090 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 5-(bromomethyl)-1,2,3-trimethoxybenzene?

The CAS number of 5-(bromomethyl)-1,2,3-trimethoxybenzene is 21852-50-6.

What are the molecular formula and molecular weight of 5-(bromomethyl)-1,2,3-trimethoxybenzene?

5-(bromomethyl)-1,2,3-trimethoxybenzene has molecular formula C10H13BrO3 and molecular weight 261.11200 g/mol.

What are the upstream and downstream products of 5-(bromomethyl)-1,2,3-trimethoxybenzene?

For 5-(bromomethyl)-1,2,3-trimethoxybenzene, Upstream Products: 3,4,5-Trimethoxybenzyl alcohol, 3,4,5-Trimethoxybenzaldehyde, 1,2,3-Trimethoxy-5-methylbenzene; Downstream Products: 3,4,5-Trimethoxyphenylacetic acid, 3,4,5-Trimethoxybenzaldehyde, (E)-3,4,5,3',4',5'-Hexamethoxystilbene.

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. "5-(bromomethyl)-1,2,3-trimethoxybenzene (CAS 21852-50-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1355876-4 (accessed 2026-11-09).

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