3-Aminophenol

Basic Information

CAS No.	591-27-5
EC No.	209-711-2
Linear Formula	H2NC6H4OH
Molecular Weight	109.13 g/mol
Appearance	White to off-white crystalline powder
Melting Point	120-124 °C (lit.)
Boiling point	164 °C/11 mmHg (lit.)
Density	1.195 g/cm³ (lit.)
RIDADR	UN 2512 Class 6.1 Packing Group III
Chemical Structure

Key Applications

• Hair dye coupler: Essential component in oxidative hair color formulations for gray coverage and shade development.

• Pharmaceutical intermediate: Used in synthesis of active ingredients including analgesics and antituberculosis drugs.

• Dye and pigment production: Serves as precursor for azo dyes and other colorants.

• Polymer additive: Incorporated in certain resins for improved properties.

• Organic synthesis reagent: Applied in preparation of heterocyclic compounds and fine chemicals.

• High purity specifications and strict batch consistency: Maintained through detailed quality controls.

• Efficient international shipping and bulk supply capability: Supports large volume requirements worldwide.

• Compliance with international safety and transportation standards: Provides all required documentation for handling.

• Professional technical communication and responsive service: Offers guidance on product use and logistics.

Hazards Classification

GHS Classification: Acute toxicity (oral) Category 4 (GHS07); Acute toxicity (inhalation) Category 4 (GHS07); Hazardous to the aquatic environment, chronic Category 2 (GHS09).

Hazard Statements: H302 + H332 Harmful if swallowed or if inhaled; H411 Toxic to aquatic life with long lasting effects.

UN Number: 2512

Hazard Class: 6.1 (Toxic substances)

Packing Group: III

Harmful solid with potential for dust inhalation risks. Store in cool, dry conditions in tightly sealed containers away from incompatibles. Use PPE to minimize exposure during handling.