2,4-Dichloro-5-hydroxyaniline

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. 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. It is classified under GHS with signal word Danger and hazard statements H301 — Toxic if swallowed, H315 — Causes skin irritation and H319 — Causes serious eye irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 39489-79-7
Jingsj CID: J-11232-3
Molecular Formula: C₆H₅Cl₂NO
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
Exact Mass	176.974823
PSA	46.25000
LogP	2.45
Vapor Pressure	0.0±0.6 mmHg at 25°C
Refractive Index	1.661

GHS Safety & Compliance

Acute ToxicitySignal word: Danger

H301 — Toxic if swallowed
H315 — Causes skin irritation
H319 — Causes serious eye irritation
H335 — May cause respiratory irritation

Customs & Trade Information

HS Code	2922299090
Summary	2922299090. other amino-naphthols and other amino-phenols, other than those containing more than one kind of oxygen function, their ethers and esters; salts thereof. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%

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 and hazard statements H301 — Toxic if swallowed; H315 — Causes skin irritation; H319 — Causes serious eye irritation.

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. "2,4-Dichloro-5-hydroxyaniline (CAS 39489-79-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-11232-3 (accessed 2026-11-09).

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