2,4-Dichloroaniline
2,4-Dichloroaniline (CAS 554-00-7) is an organic compound with the linear formula Cl2C6H3NH2 and a molecular weight of 162.02 g/mol. It is a substituted aromatic amine primarily utilised as a chemical intermediate. This compound serves as a crucial building block in the synthesis of various organic molecules, finding application in the production of dyes, pigments, and potentially other speciality chemicals.
- Synonyms
- Cl2C6H3NH22,4-DichlorophenylamineBenzeneamine, 2,4-dichloro-

Dye and Pigment Synthesis
2,4-Dichloroaniline is a key intermediate in the manufacturing of certain azo dyes and organic pigments, contributing specific chromophoric properties to the final colourants.
Organic Synthesis Building Block
As a substituted aniline, it acts as a versatile building block in organic synthesis. The presence of two chlorine atoms and an amine group allows for various functionalisation reactions.
Chemical Intermediate
This compound is used in the multi-step synthesis of more complex organic molecules within the broader chemical industry.
| Molecular weight | 162.02 |
|---|---|
| Linear formula | Cl2C6H3NH2 |
| Assay | 99% |
| Boiling point | 245 °C(lit.) |
| Melting point | 59-62 °C(lit.) |



Hazard statements
- H301Toxic if swallowed
- H311Toxic in contact with skin
- H331Toxic if inhaled
- H373May cause damage to organs through prolonged exposure
- H410Very toxic to aquatic life with long-lasting effects
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P273Avoid release to the environment
- P280Wear protective gloves, clothing and eye/face protection
- P301IF SWALLOWED
- P311Call a POISON CENTER or doctor
- P501Dispose of contents and container per local regulations
| Flash point | 115 °C / 239 °F |
|---|---|
| Transport (UN / ADR) | UN 3442 6.1 / PGII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | T,N |
| Risk statements (R) | 23/24/25-33-50/53 |
| Safety statements (S) | 28-36/37-45-60-61 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is 2,4-Dichloroaniline used for?
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2,4-Dichloroaniline (CAS 554-00-7) is primarily used as a chemical intermediate in the synthesis of dyes, pigments, and other organic compounds.
What is the CAS number and chemical formula for 2,4-Dichloroaniline?
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The CAS number is 554-00-7 and the linear formula is Cl2C6H3NH2.
What grade and purity does Tech Serve Solutions supply for 2,4-Dichloroaniline?
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Tech Serve Solutions supplies 2,4-Dichloroaniline with an assay of 99%. We do not represent this product as USP, BP, or EP grade.
How should 2,4-Dichloroaniline be handled safely?
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2,4-Dichloroaniline is a dangerous substance. It is toxic if swallowed, in contact with skin, and if inhaled (H301-H311-H331), may cause damage to organs through prolonged or repeated exposure (H373), and is very toxic to aquatic life with long lasting effects (H410). Handle with appropriate personal protective equipment in a well-ventilated area.
How is 2,4-Dichloroaniline shipped and exported by TSS?
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2,4-Dichloroaniline is shipped and exported according to its hazard classification, UN 3442, Class 6.1, Packing Group II. Tech Serve Solutions adheres to all international shipping regulations.
How can I request a quote or sample of 2,4-Dichloroaniline?
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Please contact our sales team via the website or phone to request a quote or sample for 2,4-Dichloroaniline.
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