2-chloroaniline
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.
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 |
Safety & Handling (Learn More)
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 |
Documentation
Other Names
o-Chloroaniline|1-Amino-2-chlorobenzene|2-Chlorophenylamine|Fast Yellow GC Base|Benzenamine, 2-chloro-|o-Aminochlorobenzene|Aniline, o-chloro-|o-Chloroaminobenzene
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