2-Bromo-4'-hydroxyacetophenone

Also known as: 2-Bromo-1-(4-hydroxyphenyl)ethanone, 4-Hydroxyphenacyl bromide, alpha-Bromo-4-hydroxyacetophenone, PTP Inhibitor I, BHAP, BROMOHYDROXYACETOPHENONE, BUSAN90, BUSAN1130, Butrol 1130, 2-Bromo-4-hydroxyacetophenone, 4-(Bromoacetyl)phenol, 2'-Bromo-4'-hydroxyacetophenone, p-Hydroxyphenacyl bromide, Ethanone, 2-bromo-1-(4-hydroxyphenyl)-, MFCD00072424

2-Bromo-4'-hydroxyacetophenone (CAS 2491-38-5) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C8H7BrO2 and a molecular weight of 215.044 g/mol. Key properties include a melting point of 123-126°C, a boiling point of 338.7±17.0 °C at 760 mmHg, a density of 1.6±0.1 g/cm3 and a flash point of 158.6±20.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 2491-38-5
Jingsj CID: J-1970268-3
Molecular Formula: C₈H₇BrO₂
Molecular Weight: 215.044 g/mol
Category: Ketones
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	123-126°C
Boiling Point	338.7±17.0 °C at 760 mmHg
Density	1.6±0.1 g/cm3
Flash Point	158.6±20.9 °C
Exact Mass	213.962936
PSA	37.30000
LogP	1.95
Vapor Pressure	0.0±0.8 mmHg at 25°C
Refractive Index	1.609
Storage Conditions	-70°C

Activity & Biological Data

Target	Ki: 42 μM (PTP1B)[1].
Additional Information	[1]. Sidhu, Alban, et al. Toward Inhibitors of Protein Tyrosine Phosphatases for Cancer Treatment. Home / Current Enzyme Inhibition, Volume 4, Number 1.

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-4'-hydroxyacetophenone?

The CAS number of 2-Bromo-4'-hydroxyacetophenone is 2491-38-5.

What are the molecular formula and molecular weight of 2-Bromo-4'-hydroxyacetophenone?

2-Bromo-4'-hydroxyacetophenone has molecular formula C8H7BrO2 and molecular weight 215.044 g/mol.

What are the upstream and downstream products of 2-Bromo-4'-hydroxyacetophenone?

For 2-Bromo-4'-hydroxyacetophenone, Upstream Products: 4'-Hydroxyacetophenone, 4-Acetoxyacetophenone, Cupric bromide; Downstream Products: 4-(2-Methoxyethyl)phenol, 3-[4-(2-methoxyethyl)phenoxy]-1,2-epoxypropane, 2-Bromo-4'-hydroxy-3'-nitroacetophenone.

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-4'-hydroxyacetophenone (CAS 2491-38-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1970268-3 (accessed 2026-11-06).

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