4-Chloroaniline CAS：106-47-8

Chemical Identification

Chemical Name: 4-Chloroaniline
Synonyms: p-Chloroaniline, PCA
CAS No.: 106-47-8
Molecular Formula: C₆H₆ClN
Molecular Weight: 127.57 g/mol
Assay: ≥99.0%
Appearance: Colorless to light yellow crystalline solid

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Physical & Chemical Properties

Parameter	Specification
Purity (GC)	≥99.0%
Melting Point	72.5°C
Boiling Point	232°C
Vapor Pressure	0.0036 kPa (25°C)
Explosive Limits	2.2%~8.8% (in air)
Density (20°C)	1.427 g/cm³
Water Solubility	Slightly soluble (0.3 g/100 mL)

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Applications

Dye Intermediate:Production of azo dyes and Chromophenol AS-LBPharmaceuticals:Raw material for Librium (anxiolytic drug) and PhenacetinAgrochemicals:Key intermediate for pesticidesSpecialty Chemicals:Used in color film manufacturing

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Packaging & Shipping

Standard: 25 kg/drum (HDPE with inner liner)Custom: Buyer-specified packaging available

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Storage & Handling

Storage Conditions:Store in a cool, dry, ventilated warehouse (<25°C)Relative humidity: <60%Safety Precautions:Separate from: Oxidizers, food additivesLight-sensitive – use amber containers for long-term storage

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