4-(Bromomethyl)phenoxyacetic acid

Also known as: 2-[4-(bromomethyl)phenoxy]acetic acid, Acetic acid, 2-[4-(bromomethyl)phenoxy]-, 2-(4-(bromomethyl)phenoxy)acetic acid, 4-bromomethylphenoxyacetic acid, (4-bromomethylphenoxy)acetic acid, acetic acid, [4-(bromomethyl)phenoxy]- (9CI)

4-(Bromomethyl)phenoxyacetic acid (CAS 126771-41-3) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C9H9BrO3 and a molecular weight of 245.07000 g/mol. Key properties include a melting point of 138-142ºC, a boiling point of 363ºC at 760 mmHg, a density of 1.59 g/cm3 and a flash point of 173.3ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 126771-41-3
Jingsj CID: J-11212-9
Molecular Formula: C₉H₉BrO₃
Molecular Weight: 245.07000 g/mol
Category: Organic Acids
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	138-142ºC
Boiling Point	363ºC at 760 mmHg
Density	1.59 g/cm3
Flash Point	173.3ºC
Exact Mass	243.97400
PSA	46.53000
LogP	2.04490
Vapor Pressure	6.63E-06mmHg at 25°C
Refractive Index	1.587

Customs & Trade Information

HS Code	2918990090
Summary	2918990090. other carboxylic acids with additional oxygen function and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%

Frequently Asked Questions

What is the CAS number of 4-(Bromomethyl)phenoxyacetic acid?

The CAS number of 4-(Bromomethyl)phenoxyacetic acid is 126771-41-3.

What are the molecular formula and molecular weight of 4-(Bromomethyl)phenoxyacetic acid?

4-(Bromomethyl)phenoxyacetic acid has molecular formula C9H9BrO3 and molecular weight 245.07000 g/mol.

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. "4-(Bromomethyl)phenoxyacetic acid (CAS 126771-41-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-11212-9 (accessed 2026-11-09).

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