HomeProducts
Amines REACH

o-toluidine

CAS Number
95-53-4
EC Number
202-429-0
Chemical Formula
C7H9N
Molecular Weight
107.15 g/mol

Description

o-Toluidine (CAS 95-53-4 ), also known as o-tolylamine, is an aromatic amine used as a chemical intermediate in the synthesis of dyes, pigments, and curing agents. It serves as a building block in manufacturing processes where a reactive amine group is required to produce more complex organic compounds for industrial use. In the dye and pigment industry, this chemical is a key precursor in the production of azo dyes used to color textiles, leather, and paper substrates. Printing ink formulations rely on pigments derived from these intermediates to achieve specific hue ranges in packaging applications and commercial printing processes. It functions as a curing agent component and cross-linker in certain resin systems, contributing to the hardening of coatings and high-performance adhesives. Personal care product manufacturers use derived colorants in formulations where specific synthetic dye chemistry is required for consumer goods and cosmetics. The product is supplied as a liquid at ambient conditions, typically available in drum and IBC quantities for industrial buyers and large-scale manufacturing. It is offered primarily in technical grade, with purity specifications commonly ranging from 99% and above to ensure consistent performance in chemical synthesis. Contact us for supply of o-toluidine Request Quote

Other Names (Synonyms)

ortho-toluidine | o-tolylamine | o-Methylbenzenamine | o-methylaniline | o-aminotoluene | 2-Toluidine | 2-Methylbenzenamine | 2-Methylbenzamine

Key Technical Features

  • High Purity Grade standard
  • Consistent Batch Quality
  • Full Regulatory & REACH Support
  • Global Logistics Network enabled

Physical Properties

Melting Point-16.3 °C
Boiling Point200.3 °C
Density1.008 g/cm³ @ Temp: 20 °C
Flash Point185 °F
AppearanceLight-yellow liquid, becomes reddishbrown on exposure to air and light. Soluble in alcohol and ether
very slightly soluble in water. Combustible.
Colorlight yellow to light amber
OdorAromatic, aniline-like.
Formliquid
Water Solubility1.5 g/100 mL (25 ºC)
Vapor Pressure0.26 mm Hg ( 25 °C)
Refractive Indexn 20/D 1.572(lit.)
pH7.4 (H2O, 20℃)Aqueous solution
Log P1.4 at 24.5℃

Safety & Handling

Danger
GHS06· ToxicGHS08· Health HazardGHS09· EnvironmentGHS07· Irritant

Hazard Statements

H227Combustible liquid
H301Toxic if swallowed
H302Harmful if swallowed
H312Harmful in contact with skin
H313May be harmful in contact with skin
H315Causes skin irritation
H316Causes mild skin irritation
H319Causes serious eye irritation
H331Toxic if inhaled
H332Harmful if inhaled
H336May cause drowsiness or dizziness
H340May cause genetic defects
H341Suspected of causing genetic defects
H350May cause cancer
H370Causes damage to organs
H372Causes damage to organs through prolonged or repeated exposure
H373May causes damage to organs through prolonged or repeated exposure
H400Very toxic to aquatic life
H410Very toxic to aquatic life with long lasting effects
H411Toxic to aquatic life with long lasting effects H301+
H331Toxic if swallowed or if inhaled

Precautionary Statements

P203Obtain, consult and follow expert instructions for use.
P210Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.
P260Do not breathe dust/fume/gas/mist/vapours/spray.
P261Avoid breathing dust/fume/gas/mist/vapours/spray.
P264Wash … thoroughly after handling.
P270Do not eat, drink or smoke when using this product.
P271Use only outdoors or in a well-ventilated area.
P273Avoid release to the environment.
P280Wear protective gloves/protective clothing/eye protection/face protection.
P316Get emergency medical help immediately.
P317Get emergency medical help.
P318IF exposed or concerned, get medical advice.
P319Get medical advice/attention if you feel unwell.
P321Specific treatment (see … on this label).
P330Rinse mouth.
P391Collect spillage.
P403Store in a well-ventilated place.
P405Store locked up.
P501Dispose of contents/container in accordance with local regulations.
P265Wash … thoroughly after handling.
P316Get emergency medical help immediately.
P317Get emergency medical help.
P317Get emergency medical help.
P352IF ON SKIN: Wash with plenty of water.
P340IF INHALED: Remove person to fresh air and keep comfortable for breathing.
P316Get emergency medical help immediately.
P317Get emergency medical help.
P317If eye irritation persists: Get medical advice/attention. Get emergency medical help.
P364Take off contaminated clothing and wash it before reuse.
P378Use … for extinction.
P233Store in a well-ventilated place. Keep container tightly closed.
P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.

Trade & Regulatory

HS Code29214300
UN Number2920
ADR Class8
Packing GroupI
Storage Class6.1A - Combustible acute toxic Cat. 1 and 2 very toxic hazardous materials
WGK (Germany)3