1-(3,5-Difluoro-4-hydroxyphenyl)ethanone

Also known as: 1-(3,5-Difluoro-4-hydroxyphenyl)ethan-1-one, 1-(3,5-difluoro-4-hydroxy-phenyl)-ethanone, 1-(3,5-difluoro-4-hydroxyphenyl)ethanone, 3',5'-Difluoro-4'-hydroxyacetophenone, 3'',5''-Difluoro-4''-Hydroxyacetophenone

1-(3,5-Difluoro-4-hydroxyphenyl)ethanone (CAS 133186-55-7) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C8H6F2O2 and a molecular weight of 172.129 g/mol. Key properties include a boiling point of 256.6±35.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 109.0±25.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 133186-55-7
Jingsj CID: J-1457982-9
Molecular Formula: C₈H₆F₂O₂
Molecular Weight: 172.129 g/mol
Category: Ketones
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	256.6±35.0 °C at 760 mmHg
Density	1.3±0.1 g/cm3
Flash Point	109.0±25.9 °C
Exact Mass	172.033585
PSA	37.30000
LogP	2.02
Vapor Pressure	0.0±0.5 mmHg at 25°C
Refractive Index	1.509

Frequently Asked Questions

What is the CAS number of 1-(3,5-Difluoro-4-hydroxyphenyl)ethanone?

The CAS number of 1-(3,5-Difluoro-4-hydroxyphenyl)ethanone is 133186-55-7.

What are the molecular formula and molecular weight of 1-(3,5-Difluoro-4-hydroxyphenyl)ethanone?

1-(3,5-Difluoro-4-hydroxyphenyl)ethanone has molecular formula C8H6F2O2 and molecular weight 172.129 g/mol.

What are the upstream and downstream products of 1-(3,5-Difluoro-4-hydroxyphenyl)ethanone?

For 1-(3,5-Difluoro-4-hydroxyphenyl)ethanone, Upstream Products: 3',5'-Difluoro-4'-methoxyacetophenone, 2,6-Difluorophenol, 4'-Hydroxyacetophenone.

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. "1-(3,5-Difluoro-4-hydroxyphenyl)ethanone (CAS 133186-55-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1457982-9 (accessed 2026-11-09).

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