3-Chlorobenzoic acid
3-Chlorobenzoic acid (CAS: 535-80-8; Formula: ClC6H4CO2H; MW: 156.57) is a halogenated aromatic carboxylic acid. Supplied as a Vetec™ reagent grade with an assay of ≥99%, it serves as a valuable building block in organic synthesis. Its structure allows for diverse chemical modifications, making it a key intermediate in the preparation of various fine chemicals and potentially pharmaceutical compounds. TSS offers this chemical for research and development purposes.

Organic Synthesis Intermediate
3-Chlorobenzoic acid is employed as a key intermediate in the synthesis of more complex organic molecules. Its reactive carboxylic acid group and the presence of a chlorine atom on the benzene ring allow for a range of chemical transformations.
Building Block for Fine Chemicals
This compound acts as a fundamental building block for the production of diverse fine chemicals. It is often used in multi-step synthetic routes where its specific structural features are required.
Research and Development
Utilised in research laboratories for developing new synthetic methodologies and exploring novel chemical entities. Its availability in reagent grade makes it suitable for various R&D applications.
| Molecular weight | 156.57 |
|---|---|
| Linear formula | ClC6H4CO2H |
| Assay | ≥99% |
| Grade | Vetec™ reagent grade |
| Melting point | 153-157 °C(lit.) |

Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Water hazard class (WGK, DE) | 3 |
|---|---|
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-36 |
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 3-Chlorobenzoic acid used for?
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3-Chlorobenzoic acid is primarily used as a building block and intermediate in organic synthesis for the preparation of fine chemicals and in research and development.
What is the CAS number and chemical formula for 3-Chlorobenzoic acid?
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The CAS number is 535-80-8 and the chemical formula is ClC6H4CO2H.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 3-Chlorobenzoic acid as Vetec™ reagent grade with an assay of ≥99%. This product is not represented as USP, BP, or EP grade.
How should 3-Chlorobenzoic acid be handled?
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3-Chlorobenzoic acid is classified as causing skin irritation (H315), serious eye irritation (H319), and respiratory irritation (H335). Handle with appropriate personal protective equipment, ensuring good ventilation, and avoid contact with skin, eyes, and clothing. Refer to the Safety Data Sheet (SDS) for detailed handling instructions.
Is 3-Chlorobenzoic acid exported by Tech Serve Solutions?
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Yes, Tech Serve Solutions is a global supplier and exporter of fine chemicals, including 3-Chlorobenzoic acid.
How can I request a quote or sample for 3-Chlorobenzoic acid?
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To request a quote or sample, please contact the TSS sales team via the website or by calling our sales department. We will be pleased to assist you with your requirements.
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