4-Chlorobenzotrichloride
4-Chlorobenzotrichloride (CAS: 5216-25-1), with the molecular formula ClC6H4CCl3 and a molecular weight of 229.92 g/mol, is a halogenated hydrocarbon. This organic compound serves as a valuable intermediate in chemical synthesis. Its specific structure makes it a useful building block for the production of various organic molecules and fine chemicals, particularly where a substituted benzyl moiety with a trichloromethyl group is required.
- IUPAC
- α,α,α,4-Tetrachlorotoluene

Chemical Synthesis Intermediate
Utilised as a reactive intermediate in the synthesis of more complex organic molecules. The trichloromethyl group can undergo various transformations, making it a versatile building block.
Precursor for Aryl Compounds
Serves as a starting material for creating substituted aryl compounds. It is particularly useful in reactions where precise control over functional group placement is necessary.
Research and Development
Employed in laboratory settings for R&D purposes, facilitating the exploration of new synthetic pathways and the development of novel chemical entities.
| Molecular weight | 229.92 |
|---|---|
| Linear formula | ClC6H4CCl3 |
| Assay | 98% |
| Boiling point | 245 °C(lit.) |
| Density | 1.495 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.572(lit.) |


Hazard statements
- H302Harmful if swallowed
- H312Harmful in contact with skin
- H315Causes skin irritation
- H335May cause respiratory irritation
- H350May cause cancer
- H361F
- H372Causes damage to organs through prolonged exposure
Precautionary statements
- P201Obtain special instructions before use
- P261Avoid breathing dust, fume, gas or vapours
- P280Wear protective gloves, clothing and eye/face protection
- P308IF exposed or concerned
| Protective equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | >113 °C / >235.4 °F |
| Transport (UN / ADR) | UN 3265 8 / PGII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | T |
| Risk statements (R) | 45-21/22-37/38-48/23-62 |
| Safety statements (S) | 53-45 |
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 4-Chlorobenzotrichloride used for?
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4-Chlorobenzotrichloride (CAS: 5216-25-1) is primarily used as an intermediate in chemical synthesis and as a building block for creating various organic compounds.
What is the CAS number and molecular formula for 4-Chlorobenzotrichloride?
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The CAS number is 5216-25-1 and the molecular formula is ClC6H4CCl3.
What grade and purity does Tech Serve Solutions supply for 4-Chlorobenzotrichloride?
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Tech Serve Solutions supplies 4-Chlorobenzotrichloride with an assay of 98%. This product is not represented as USP, BP, EP, or other pharmacopoeia grades.
How should 4-Chlorobenzotrichloride be handled safely?
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4-Chlorobenzotrichloride is a Danger substance, identified with GHS07 and GHS08 symbols. It carries hazard statements H302, H312, H315, H335, H350, H361f, and H372, indicating it is harmful if swallowed or in contact with skin, causes skin irritation, may cause respiratory irritation, is suspected of causing cancer and genetic defects, and may cause damage to organs through prolonged or repeated exposure. Appropriate personal protective equipment, including eyeshields, face shields, gloves, and suitable respirators, must be used. Handling should occur in well-ventilated areas, and exposure must be avoided.
How is 4-Chlorobenzotrichloride packed, shipped, and exported?
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4-Chlorobenzotrichloride is packed and shipped in compliance with UN 3265 regulations (Hazard Class 8, Packing Group II) for safe transport. TSS is a specialist global supplier and exporter of fine chemicals.
How can I request a quote or sample for 4-Chlorobenzotrichloride?
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To request a quote or sample for 4-Chlorobenzotrichloride, please contact our sales team through the website or by phone. We are happy to assist with your chemical sourcing needs.
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