Amines
REACH
m-toluidine
CAS Number
108-44-1
EC Number
203-583-1
What is m-toluidine?
m-Toluidine (CAS 108-44-1), also known as m-aminotoluene, is an aromatic amine used as a chemical intermediate in the synthesis of dyes, pigments, and specialty organic compounds.
Where is m-toluidine used?
- Textile and leather processing: azo dyes
- Pigment manufacturing: coupling or diazotization component for organic colorants in inks and printing formulations
- Plastics and polymer systems: curing agent or cross-linker in epoxy and resin formulations
- Cosmetics and personal care: precursor in the synthesis of approved colorant intermediates for hair dye formulations
- It serves as a building block for azo colorants and downstream chemical manufacturing.
Commercial specifications
- Purity specifications generally range from 98% to 99%+
- Standard packaging includes drums and intermediate bulk containers (IBCs)
- Documentation is available to support quality assurance and regulatory compliance requirements
Other Names (Synonyms)
m-tolylamine|m-aminotoluene|3-toluidine|3-methylbenzenamine|3-methylaniline|3-amino-1-methylbenzene|1-aminophenylmethane|3-AMINOTOLUENE
What are the physical properties of m-toluidine?
Melting Point -31.2 °C
Boiling Point 203.3 °C
Density 0.9889 g/cm³ @ Temp: 20 °C
Flash Point 186 °F
Appearance Colorless liquid. Slightly soluble in water; soluble in alcohol or ether. Combustible.
Color White
Odor aromatic aniline-like odor
Form Crystalline Solid or Liquid
Water Solubility 0.2 g/100 mL (20 ºC)
Vapor Pressure 0.3 hPa (20 °C)
Refractive Index n 20/D 1.567(lit.)
pH 7 (H2O, 20℃)
Log P 1.4 at 25℃
How is m-toluidine classified and handled safely? Learn More
Danger
GHS06· Toxic GHS08· Health Hazard GHS09· Environmental Hazard GHS07· Irritant
Hazard Statements
H227 Combustible liquid
H301 Toxic if swallowed
H302 Harmful if swallowed
H311 Toxic in contact with skin
Precautionary Statements
P203 Obtain, consult and follow expert instructions for use.
P210 Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.
P260 Do not breathe dust/fume/gas/mist/vapours/spray.
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
Which trade and regulatory codes apply to m-toluidine?
HS Code 29171990
UN Number 1708
ADR Class 6.1
Packing Group II
Storage Class 6.1A - Combustible acute toxic Cat. 1 and 2
very toxic hazardous materials
WGK (Germany) 2