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4,5-Difluoro-2-hydroxybenzonitrile

4,5-二氟-2-羟基苯甲腈

Also known as: 4,5-Difluoro-2-hydroxybenzonitrile, 4,5-Difluoro-2-hydroxy-benzonitrile, 4,5-difluoro-2-hydroxybenzonitrile, 6-Cyano-3,4-difluorophenol, Benzonitrile, 4,5-difluoro-2-hydroxy-, Benzonitrile,4,5-difluoro-2-hydroxy-

4,5-Difluoro-2-hydroxybenzonitrile (CAS 186590-36-3) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C7H3F2NO and a molecular weight of 155.102 g/mol. It is also known as 4,5-Difluoro-2-hydroxy-benzonitrile, 4,5-difluoro-2-hydroxybenzonitrile and 6-Cyano-3,4-difluorophenol. Key properties include a melting point of 161-163ºC, a boiling point of 279.7±40.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 122.9±27.3 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
186590-36-3
Jingsj CID
J-1171247-3
Molecular Formula
C7H3F2NO
Chinese Name
4,5-二氟-2-羟基苯甲腈
Molecular Weight
155.102 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Melting Point161-163ºC
Boiling Point279.7±40.0 °C at 760 mmHg
Density1.5±0.1 g/cm3
Flash Point122.9±27.3 °C

Frequently Asked Questions

What is the CAS number of 4,5-Difluoro-2-hydroxybenzonitrile?

The CAS number of 4,5-Difluoro-2-hydroxybenzonitrile is 186590-36-3.

What are the molecular formula and molecular weight of 4,5-Difluoro-2-hydroxybenzonitrile?

4,5-Difluoro-2-hydroxybenzonitrile has molecular formula C7H3F2NO and molecular weight 155.102 g/mol.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "4,5-Difluoro-2-hydroxybenzonitrile (CAS 186590-36-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1171247-3 (accessed 2026-10-25).

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