Amines
REACH
2,4-dichloroaniline
CAS Number
554-00-7
EC Number
209-057-8
Abbreviation
2,4-DCA
What is 2,4-dichloroaniline?
2,4-Dichloroaniline (CAS 554-00-7), commonly referred to as 2,4-DCA, is an aromatic amine intermediate used across dye, agrochemical, and polymer manufacturing.
Where is 2,4-dichloroaniline used?
- Dyes and pigments: building block for azo dyes and pigments that provide colorfast performance on fiber and hide substrates
- Textile and leather processing: precursor
- Polymers: curing agent and cross-linker for polyurethane and epoxy systems
- Agrochemicals: intermediate in the synthesis of herbicides and fungicides
- Personal care: hair dye intermediates
- It enables oxidative coupling chemistry in various formulations.
Commercial specifications
- Technical grade, purity commonly 99% or higher
- Packaging: fiber drums and intermediate bulk containers
Other Names (Synonyms)
Benzenamine, 2,4-dichloro-|2,4-Dichlorobenzenamine|2,4-Dichloranilin|o,p-Dichloroaniline|Aniline, 2,4-dichloro-|2,4-DCA|1-Amino-2,4-dichlorobenzene|2,4-Dichlorophenylamine
What are the physical properties of 2,4-dichloroaniline?
Melting Point 63-64 °C
Boiling Point 245 °C @ Press: 760 Torr
Density 1.567 g/cm³ @ Temp: 20 °C
Flash Point 115°C
Appearance pale grey or beige-brown to red-brown crystalline
Color White to beige
Form Crystalline Powder
Water Solubility Insoluble, <0.1 g/100 mL at 23 ºC
Vapor Pressure 1hPa at 78℃
Refractive Index 1.6000 (estimate)
Log P 2.78 at 20℃
How is 2,4-dichloroaniline classified and handled safely? Learn More
Danger
GHS06· Toxic GHS08· Health Hazard GHS09· Environmental Hazard GHS07· Irritant GHS05· Corrosive
Hazard Statements
H301 Toxic if swallowed
H302 Harmful if swallowed
H311 Toxic in contact with skin
H317 May cause an allergic skin reaction
Precautionary Statements
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.
P264 Wash … thoroughly after handling.
Which trade and regulatory codes apply to 2,4-dichloroaniline?
HS Code 29214210
UN Number 3442
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