3-Chloro-4-hydroxybenzoic acid hemihydrate
3-Chloro-4-hydroxybenzoic acid hemihydrate (CAS: 3964-58-7) is a specialised organic compound with the molecular formula ClC6H3(OH)CO2H· 1/2H2O. It has a molecular weight of 181.57. This chemical serves as a valuable building block in organic synthesis, particularly in the development of novel molecules within the pharmaceutical and chemical industries. Its defined structure allows for specific chemical transformations.
Organic Synthesis
Utilised as a key intermediate in the synthesis of more complex organic molecules. Its functional groups, including a carboxylic acid and a hydroxyl group adjacent to a chlorine substituent, enable diverse chemical reactions.
Pharmaceutical Intermediates
Serves as a precursor in the development pathway for active pharmaceutical ingredients (APIs). It is employed in multi-step synthetic routes where its specific structural features are required.
Chemical Research
A useful reagent in academic and industrial research laboratories for exploring new synthetic methodologies and creating novel chemical entities.
| Molecular weight | 181.57 |
|---|---|
| Linear formula | ClC6H3(OH)CO2H·1/2H2O |
| Assay | 98% |
| Melting point | 171-173 °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) | 26-37/39 |
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-Chloro-4-hydroxybenzoic acid hemihydrate used for?
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3-Chloro-4-hydroxybenzoic acid hemihydrate is primarily used as a building block in organic synthesis and as an intermediate in the development of pharmaceutical compounds and other fine chemicals.
What are the CAS number and formula for 3-Chloro-4-hydroxybenzoic acid hemihydrate?
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The CAS number is 3964-58-7, and the formula is ClC6H3(OH)CO2H· 1/2H2O.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 3-Chloro-4-hydroxybenzoic acid hemihydrate with an assay of 98%. We do not represent this product as USP, BP, or EP grade.
What are the main hazards associated with 3-Chloro-4-hydroxybenzoic acid hemihydrate?
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This compound is a Warning substance that causes skin irritation (H315), serious eye irritation (H319), and may cause respiratory irritation (H335). Appropriate personal protective equipment, including a dust mask (type N95), eyeshields, and gloves, must be worn when handling.
How is 3-Chloro-4-hydroxybenzoic acid hemihydrate packed and shipped?
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Tech Serve Solutions exports fine chemicals globally. Packaging is appropriate for safe transport, adhering to international regulations. Please contact us for specific shipping and export details.
How can I request a sample or a quote?
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To request a sample or obtain a quotation for 3-Chloro-4-hydroxybenzoic acid hemihydrate, please contact our sales team through the website or by phone. Specify your quantity requirements and delivery location.
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