2-Chlorobenzotrichloride
2-Chlorobenzotrichloride (CAS: 2136-89-2), with the molecular formula ClC6H4CCl3 and a molar mass of 229.92 g/mol, is a halogenated aromatic compound. It serves as a key intermediate and building block in organic synthesis. Its primary utility lies in the chemical industry for the production of various downstream products, leveraging its reactive trichloromethyl group and the presence of a chlorine substituent on the phenyl ring for further functionalization.
- IUPAC
- α,α,α,2-Tetrachlorotoluene
- Synonyms
- α,α,α,2-Tetrachlorotoluene

Organic Synthesis Intermediate
2-Chlorobenzotrichloride is extensively used as a versatile intermediate in the synthesis of complex organic molecules. Its structure allows for diverse chemical transformations, making it valuable in the development of pharmaceuticals, agrochemicals, and specialty materials.
Building Block for Halogenated Compounds
As a halogenated hydrocarbon, it functions as a fundamental building block for introducing specific chlorinated functionalities into larger molecular structures. This is crucial for tailoring the properties of target compounds in research and industrial applications.
Precursor for Dyes and Pigments
The compound can serve as a precursor in the synthesis pathways of certain dyes and pigments. The reactivity of its functional groups allows for its incorporation into chromophoric systems.
| Molecular weight | 229.92 |
|---|---|
| Linear formula | ClC6H4CCl3 |
| Assay | 96% |
| Boiling point | 260-264 °C(lit.) |
| Density | 1.508 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.583(lit.) |
| Melting point | 29-31 °C(lit.) |


Hazard statements
- H302Harmful if swallowed
- H315Causes skin irritation
- H319Causes serious eye irritation
- H351Suspected of causing cancer
Precautionary statements
- P281Use personal protective equipment as required
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Flash point | 98 °C / 208.4 °F |
| Transport (UN / ADR) | UN 3261 8 / PGII |
| Water hazard class (WGK, DE) | 2 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22-36-38-40 |
| Safety statements (S) | 26-36/37 |
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-Chlorobenzotrichloride primarily used for?
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2-Chlorobenzotrichloride is primarily used as an intermediate and building block in organic synthesis for the production of pharmaceuticals, agrochemicals, dyes, and other specialty chemicals.
What is the CAS number and chemical formula for 2-Chlorobenzotrichloride?
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The CAS number is 2136-89-2, and its chemical formula is ClC6H4CCl3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2-Chlorobenzotrichloride with an assay of 96%. We do not represent this product as USP, BP, or EP grade.
How should 2-Chlorobenzotrichloride be handled safely?
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Handle with appropriate personal protective equipment, including a dust mask type N95 (US), eyeshields, and gloves. It is harmful if swallowed, causes skin irritation, causes serious eye irritation, and is suspected of causing cancer. Ensure good ventilation and avoid dust formation. Refer to the Safety Data Sheet for comprehensive guidance.
How is 2-Chlorobenzotrichloride packed and exported?
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2-Chlorobenzotrichloride is packed and exported according to UN 3261 8 / PGII regulations. Please contact us for specific packaging and shipping details for your region.
How can I request a sample or quote for 2-Chlorobenzotrichloride?
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To request a sample or quote, please use the contact form on our website or contact our sales department directly with your requirements.
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