Amines REACH

2-chloroaniline

CAS Number
95-51-2
EC Number
202-426-4
Chemical Formula
C6H6ClN
Molecular Weight
127.57 g/mol

Description

2-Chloroaniline (CAS 95-51-2), also known as o-Chloroaniline, is an aromatic amine intermediate used across dye manufacturing, agrochemical synthesis, and pharmaceutical production. It functions as a building block for constructing complex organic molecules, particularly azo dyes, pigments, and active ingredient precursors for various industrial sectors.

In textile and printing industries, it serves as a key precursor in azo dye synthesis, enabling the production of colorants applied to fabric, paper, and packaging substrates. Pharmaceutical manufacturers use it to synthesize active intermediates, where the ortho-chloro substitution pattern directs specific reaction pathways during API construction.

In polymer and rubber processing, it acts as a curing agent and cross-linker, contributing to the structural integrity of finished elastomeric and plastic components. Agrochemical producers also rely on it as a starting material for herbicide and pesticide synthesis, where chlorinated aniline derivatives define the biological activity of the final compound.

2-Chloroaniline is supplied as a liquid at ambient conditions. It is available in technical grade for industrial synthesis applications, with higher-purity specifications offered to meet requirements. Packaging options typically range from drums to IBC containers, suited to both laboratory-scale procurement and bulk industrial supply for global chemical distribution.

Other Names (Synonyms)

o-Chloroaniline|1-Amino-2-chlorobenzene|2-Chlorophenylamine|Fast Yellow GC Base|Benzenamine, 2-chloro-|o-Aminochlorobenzene|Aniline, o-chloro-|o-Chloroaminobenzene

Key Technical Features

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

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Physical Properties

Melting Point -14 °C
Boiling Point 208.84 °C
Density 1.2114 g/cm³ @ Temp: 22 °C
Flash Point 98 °C
Appearance clear pale yellow to brown liquid
Color Clear pale yellow to brown
Odor Characteristic odour
Form Liquid
Water Solubility 5.13 g/L (20 ºC)
Vapor Pressure 0.5 hPa (20 °C)
Refractive Index n 20/D 1.589
Log P 1.72 at 20℃ and pH6-8

Documentation

Safety & Handling Learn More

Danger
GHS06· Toxic GHS07· Irritant GHS08· Health Hazard GHS09· Environmental Hazard

Hazard Statements

H301 Toxic if swallowed
H302 Harmful if swallowed
H311 Toxic in contact with skin
H319 Causes serious eye irritation

Precautionary Statements

P203 Obtain, consult and follow expert instructions for use.
P260 Do not breathe dust/fume/gas/mist/vapours/spray.
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P262 Do not get in eyes, on skin, or on clothing.

Trade & Regulatory

HS Code 29214210
UN Number 2019
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
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