3-Chlorosalicylic acid
3-Chlorosalicylic acid (CAS: 1829-32-9, Formula: ClC6H3(OH)CO2H, MW: 172.57) is a chlorinated derivative of salicylic acid. This organic compound serves as a valuable building block in chemical synthesis. It is particularly useful in the preparation of various organic intermediates and fine chemicals, contributing to research and development across multiple scientific disciplines. Its established chemical structure and reactivity make it a sought-after reagent in organic chemistry laboratories.

Organic Synthesis
Utilised as a key intermediate in the synthesis of more complex organic molecules. Its functional groups allow for diverse chemical transformations.
Pharmaceutical Intermediates
Serves as a precursor in the development pathway for certain pharmaceutical compounds. It enables the construction of specific molecular frameworks required for drug discovery.
Research and Development
Employed in academic and industrial research labs for exploring new chemical reactions and developing novel materials. Its availability as a building block supports innovative chemical studies.
| Molecular weight | 172.57 |
|---|---|
| Linear formula | ClC6H3(OH)CO2H |
| Assay | 98% |
| Melting point | 184-186 °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
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| 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-Chlorosalicylic acid used for?
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3-Chlorosalicylic acid is primarily used as a building block in organic synthesis and as an intermediate in the preparation of pharmaceutical compounds and other fine chemicals.
What is the CAS number and formula for 3-Chlorosalicylic acid?
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The CAS number is 1829-32-9 and the molecular formula is ClC6H3(OH)CO2H.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 3-Chlorosalicylic acid with an assay of 98%. We do not represent this product as USP, BP, or EP grade.
How should 3-Chlorosalicylic acid be handled safely?
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Handle with care, using a dust mask type N95, eyeshields, and gloves. Avoid breathing dust. In case of contact with eyes, rinse cautiously with water for several minutes, removing contact lenses if present and easy to do. Continue rinsing.
Can Tech Serve Solutions export 3-Chlorosalicylic acid?
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Yes, Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals.
How can I request a sample or quote for 3-Chlorosalicylic acid?
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Please contact our sales team via the website or telephone to request a sample or a detailed quotation.
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