2-Aminophenol

Basic Information

CAS No.	95-55-6
EC No.	202-431-1
Linear Formula	H2NC6H4OH
Molecular Weight	109.13 g/mol
Appearance	Off-white to light brown crystals
Melting Point	172-175 °C (lit.)
Boiling point	150 °C / 11 mmHg (lit.)
Density	1.328 g/cm³ (lit.)
RIDADR	UN 2512 Class 6.1 Packing Group III
Chemical Structure

Key Applications

• Hair dye intermediate: Primary building block for permanent and semi-permanent oxidative hair colorants.

• Pharmaceutical synthesis: Used in production of analgesics, antipyretics, and other active ingredients.

• Photographic chemicals: Employed as a developer in black-and-white film processing.

• Rubber antioxidant: Incorporated to protect rubber products from oxidative degradation.

• Organic synthesis reagent: Serves as starting material for dyes, pigments, and heterocyclic compounds.

• Reliable product quality supported by rigorous QA procedures: Each lot tested to meet tight specifications.

• Stable export supply supported by established logistics channels: Ensures on-time delivery for international clients.

• Complete SDS, COA and dangerous goods documentation available: Supports safe transport and regulatory compliance.

• Assistance with packaging selection and shipment planning: Tailors solutions to meet specific handling needs.

Hazards Classification

GHS Classification: Acute toxicity (oral) Category 3 (GHS06); Acute toxicity (dermal) Category 3 (GHS06); Skin sensitization Category 1 (GHS07); Hazardous to the aquatic environment, acute Category 1 (GHS09); Hazardous to the aquatic environment, chronic Category 1 (GHS09).

Hazard Statements: H301 + H311 Toxic if swallowed or in contact with skin; H317 May cause an allergic skin reaction; H410 Very toxic to aquatic life with long lasting effects.

UN Number: 2512

Hazard Class: 6.1 (Toxic substances)

Packing Group: III

Toxic solid that may cause allergic reactions on skin contact. Store in tightly closed containers in a cool, dry, well-ventilated area away from oxidizers and light. Use appropriate PPE including gloves and respiratory protection when handling.