2,4-Dichloro-5-hydroxyaniline

2,4-二氯-5-氨基苯酚

Also known as: 5-Amino-2,4-dichlorophenol, 2,4-Dichloro-5-aminophenol, 2,4-DICHLORO-5-HYDROXYANILINE, 5-AMINO-2,4-DICHLOROBENZENOL, Phenol, 5-amino-2,4-dichloro-, TIMTEC-BB SBB003767, MFCD00186187

2,4-Dichloro-5-hydroxyaniline (CAS 39489-79-7) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C6H5Cl2NO and a molecular weight of 178.016 g/mol. It is also known as 5-Amino-2,4-dichlorophenol, 2,4-Dichloro-5-aminophenol and 2,4-DICHLORO-5-HYDROXYANILINE. Key properties include a melting point of 133-137 °C, a boiling point of 292.6±35.0 °C at 760 mmHg, a density of 1.6±0.1 g/cm3 and a flash point of 130.8±25.9 °C. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 39489-79-7
Jingsj CID: J-11232-9
Molecular Formula: C₆H₅Cl₂NO
Chinese Name: 2,4-二氯-5-氨基苯酚
Molecular Weight: 178.016 g/mol
Category: Alcohols
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	133-137 °C
Boiling Point	292.6±35.0 °C at 760 mmHg
Density	1.6±0.1 g/cm3
Flash Point	130.8±25.9 °C

GHS Safety & Compliance

Acute ToxicitySignal word: Danger

Frequently Asked Questions

What is the CAS number of 2,4-Dichloro-5-hydroxyaniline?

The CAS number of 2,4-Dichloro-5-hydroxyaniline is 39489-79-7.

What are the molecular formula and molecular weight of 2,4-Dichloro-5-hydroxyaniline?

2,4-Dichloro-5-hydroxyaniline has molecular formula C6H5Cl2NO and molecular weight 178.016 g/mol.

Is 2,4-Dichloro-5-hydroxyaniline hazardous?

2,4-Dichloro-5-hydroxyaniline has GHS signal word Danger.

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

Last updated: 8/21/2026

How to cite: Jingsj. "2,4-Dichloro-5-hydroxyaniline (CAS 39489-79-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-11232-9 (accessed 2026-10-22).

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