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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. Contact us for supply of 2-chloroaniline Request Quote

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

Physical Properties

Melting Point-14 °C
Boiling Point208.84 °C
Density1.2114 g/cm³ @ Temp: 22 °C
Flash Point98 °C
Appearanceclear pale yellow to brown liquid
ColorClear pale yellow to brown
OdorCharacteristic odour
FormLiquid
Water Solubility5.13 g/L (20 ºC)
Vapor Pressure0.5 hPa (20 °C)
Refractive Indexn 20/D 1.589
Log P1.72 at 20℃ and pH6-8

Safety & Handling

Danger
GHS06· ToxicGHS07· IrritantGHS08· Health HazardGHS09· Environment

Hazard Statements

H301Toxic if swallowed
H302Harmful if swallowed
H311Toxic in contact with skin
H319Causes serious eye irritation
H320Causes eye irritation
H331Toxic if inhaled
H332Harmful if inhaled
H341Suspected of causing genetic defects
H361Suspected of damaging fertility or the unborn child
H370Causes damage to organs
H371May cause 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 H301+H311+
H331Toxic if swallowed, in contact with skin or if inhaled

Precautionary Statements

P203Obtain, consult and follow expert instructions for use.
P260Do not breathe dust/fume/gas/mist/vapours/spray.
P261Avoid breathing dust/fume/gas/mist/vapours/spray.
P262Do not get in eyes, on skin, or on clothing.
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.
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.
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.
P317If eye irritation persists: Get medical advice/attention. Get emergency medical help.
P364Take off immediately all contaminated clothing and wash it before reuse.
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 Code29214210
UN Number2019
ADR Class6.1
Packing GroupII
Storage Class6.1A - Combustible acute toxic Cat. 1 and 2 very toxic hazardous materials
WGK (Germany)2