m-Phenylenediamine(MPD)

CAS No.: 108-45-2

Catalogue ID: GTC-427

m-Phenylenediamine(MPD), CAS 108-45-2. Source-derived identification, physical data and applications are provided for catalogue reference; request the current specification, COA and SDS for the required grade.

Catalogue aliases / related identifiers

m-Phenylenediamine; 1,3-Phenylenediamine; 1,3-Diaminobenzene; m-Diaminobenzene; meta-Phenylenediamine; 1,3-Benzenediamine; m-Benzenediamine; Phenylene-1,3-diamine

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Supplied catalogue source: GTC-427 · Page 28

Reference data — confirm before ordering or use

The information below is a structured migration from the supplied catalogue snapshot. It is not a current product specification, COA or SDS. Confirm the actual supplier, grade, batch documents, classification, packing and destination requirements for your enquiry.

Basic Information

CAS No.	108-45-2
EC No.	203-584-7
Linear Formula	C₆H₄(NH₂)₂
Molecular Weight	108.14 g/mol
Appearance	White to off-white crystals
Melting Point	63-65 °C (lit.)
Boiling point	282-284 °C (lit.)
Density	1.139 g/cm³ at 20 °C (lit.)
RIDADR	UN 1673 Class 6.1 Packing Group III
Chemical Structure

Key Applications

Hair dye coupler: Used in oxidative coloring for semi-permanent and permanent shades.
Azo dye synthesis: Precursor for textile and leather dyes.
Epoxy resin curing: Acts as hardener in high-performance composites.
Rubber chemical: Employed as accelerator and antioxidant in vulcanization.
Photographic developer: Applied in film processing formulations.

Reliable product quality supported by rigorous QA procedures: Delivers uniform specifications per batch.
Efficient international shipping and bulk supply capability: Handles volume orders across regions.
Complete SDS, COA and dangerous goods documentation available: Ensures compliant safe transport.
Dedicated support for international chemical sourcing: Includes consultation on handling and use.

Hazards Classification

GHS Classification: Acute toxicity (oral) Category 3 (GHS06); Acute toxicity (dermal) Category 3 (GHS06); Acute toxicity (inhalation) 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 + H331 Toxic if swallowed, in contact with skin or if inhaled; H317 May cause an allergic skin reaction; H410 Very toxic to aquatic life with long lasting effects.

UN Number: 1673

Hazard Class: 6.1 (Toxic substances)

Packing Group: III

GHS09 Environment — Environmental Hazard

Toxic solid prone to sensitization. Store in sealed containers protected from moisture and light in ventilated areas. Use full PPE to prevent inhalation, ingestion or skin contact.

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01Current specification
02Batch or sample COA
03Product- and supplier-specific SDS
04Packing and shipping review

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m-Phenylenediamine(MPD)