2-bromo-1-(4-methoxyphenyl)propan-1-one

Also known as: 2-bromo-4'-methoxypropiophenone, 4'-methoxy-2-bromopropiophenone, 1-propanone, 2-bromo-1-(4-methoxyphenyl)-, 4-methoxy-alpha-bromopropiophenone, alpha-bromo-4-methoxypropiophenone, alpha-bromo-4'-methoxypropiophenone, NSC 171557

2-bromo-1-(4-methoxyphenyl)propan-1-one (CAS 21086-33-9) is a compound in the Solvents category listed in the Jingsj chemical database. It has the molecular formula C10H11BrO2 and a molecular weight of 243.09700 g/mol. Key properties include a boiling point of 313.3ºC at 760 mmHg, a density of 1.388 g/cm3 and a flash point of 143.3ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 21086-33-9
Jingsj CID: J-1168906-8
Molecular Formula: C₁₀H₁₁BrO₂
Molecular Weight: 243.09700 g/mol
Category: Solvents
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	313.3ºC at 760 mmHg
Density	1.388 g/cm3
Flash Point	143.3ºC
Exact Mass	241.99400
PSA	26.30000
LogP	2.66130
Vapor Pressure	0.000502mmHg at 25°C
Refractive Index	1.544

Customs & Trade Information

HS Code	2914700090
Summary	HS: 2914700090 halogenated, sulphonated, nitrated or nitrosated derivatives of ketones and quinones, whether or not with other oxygen function Tax rebate rate:9.0% Supervision conditions:none VAT:17.0% MFN tariff:5.5% General tariff:30.0%

Frequently Asked Questions

What is the CAS number of 2-bromo-1-(4-methoxyphenyl)propan-1-one?

The CAS number of 2-bromo-1-(4-methoxyphenyl)propan-1-one is 21086-33-9.

What are the molecular formula and molecular weight of 2-bromo-1-(4-methoxyphenyl)propan-1-one?

2-bromo-1-(4-methoxyphenyl)propan-1-one has molecular formula C10H11BrO2 and molecular weight 243.09700 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. "2-bromo-1-(4-methoxyphenyl)propan-1-one (CAS 21086-33-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1168906-8 (accessed 2026-11-09).

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