Amines
REACH
4-chloroaniline
CAS Number
106-47-8
EC Number
203-401-0
What is 4-chloroaniline?
4-Chloroaniline (CAS 106-47-8), also known as para-Chloroaniline or p-Chloroaniline, is an aromatic amine intermediate used in dye, agrochemical, and polymer manufacturing.
Where is 4-chloroaniline used?
- Dye and pigment production: key intermediate for azo dyes in textile and leather coloring
- Agrochemicals: intermediate for herbicide and pesticide active ingredients
- Polymers and rubber: synthesis of curing agents and cross-linkers
- Personal care and cosmetics: intermediate in hair dye precursors and preservative compounds
- It functions as a building block for synthesizing pigments, biocides, and curing agents.
Commercial specifications
- Technical grade is the standard commercial form; high-purity grades for pharmaceutical intermediate use
- Packaged in drums or IBCs; bulk quantities for industrial-scale procurement
- Consistent purity affects color yield and batch reproducibility
- Raw material specification is a critical procurement decision for large scale manufacturing
Other Names (Synonyms)
para-Chloroaniline|p-Chloroaniline|4-Chlorobenzenamine|4-Amino-1-chlorobenzene|4-Chlorophenylamine|p-Chloraniline|Benzenamine, 4-chloro-|1-Amino-4-chlorobenzene
What are the physical properties of 4-chloroaniline?
Melting Point 72.5 °C
Boiling Point 232 °C
Density 1.169 g/cm³ @ Temp: 77 °C
Flash Point 120°C
Appearance white or pale yellow solid
Color Beige to brown-purple
Odor Sweetish
Form Crystalline Solid
Water Solubility 0.3 g/100 mL (20 ºC)
Vapor Pressure 0.15 mm Hg ( 25 °C)
Refractive Index 1.5546
pH 6.9 (1g/l, H2O, 20℃)
Log P 1.83 at 25℃
How is 4-chloroaniline classified and handled safely? Learn More
Danger
GHS06· Toxic GHS08· Health Hazard GHS09· Environmental Hazard GHS07· Irritant
Hazard Statements
H301 Toxic if swallowed
H311 Toxic in contact with skin
H317 May cause an allergic skin reaction
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.
Which trade and regulatory codes apply to 4-chloroaniline?
HS Code 29214210
UN Number 2018
ADR Class 6.1
Packing Group II
Storage Class 6.1A - Combustible acute toxic Cat. 1 and 2
very toxic hazardous materials
WGK (Germany) 3