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

3',5'-二氟-4'-羟基苯乙酮

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. It is also known as 1-(3,5-Difluoro-4-hydroxyphenyl)ethan-1-one, 1-(3,5-difluoro-4-hydroxy-phenyl)-ethanone and 1-(3,5-difluoro-4-hydroxyphenyl)ethanone. 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-1457982-6
Molecular Formula: C₈H₆F₂O₂
Chinese Name: 3',5'-二氟-4'-羟基苯乙酮
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

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.

Data compiled from public chemical databases 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-1457982-6 (accessed 2026-10-22).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.