2-Chloro-4-hydroxybenzaldehyde
2-Chloro-4-hydroxybenzaldehyde (CAS: 56962-11-9; Formula: ClC₆H₃(OH)CHO) is a valuable organic building block with a molecular weight of 156.57 g/mol. This compound serves as an intermediate in various chemical syntheses, particularly in the development of more complex organic molecules. Its characteristic aldehyde and phenolic hydroxyl functionalities make it a versatile reagent for researchers and industrial chemists seeking precise molecular construction.

Organic Synthesis Intermediate
Utilised as a key intermediate in the synthesis of pharmaceuticals, agrochemicals, and specialty organic compounds. The presence of both aldehyde and hydroxyl groups allows for diverse reaction pathways.
Research and Development
Employed in academic and industrial R&D laboratories for exploring novel chemical structures and reaction methodologies. It is valuable for creating substituted aromatic compounds.
Building Block for Complex Molecules
Serves as a fundamental building block in the construction of more elaborate molecular frameworks. Its structure facilitates regioselective functionalization.
| Molecular weight | 156.57 |
|---|---|
| Linear formula | ClC6H3(OH)CHO |
| Assay | 97% |
| Melting point | 145-147 °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 2-Chloro-4-hydroxybenzaldehyde used for?
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2-Chloro-4-hydroxybenzaldehyde is primarily used as an intermediate in organic synthesis, for research and development purposes, and as a building block for constructing complex organic molecules.
What is the CAS number and molecular formula for 2-Chloro-4-hydroxybenzaldehyde?
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The CAS number is 56962-11-9 and the molecular formula is ClC₆H₃(OH)CHO.
What grade and purity does Tech Serve Solutions supply for 2-Chloro-4-hydroxybenzaldehyde?
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Tech Serve Solutions supplies 2-Chloro-4-hydroxybenzaldehyde with a minimum assay of 97%. We do not represent this product as USP, BP, or EP grade.
How should 2-Chloro-4-hydroxybenzaldehyde be handled safely?
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Handle with appropriate personal protective equipment, including eyeshields, gloves, and a dust mask type N95 (US). Avoid breathing dust and ensure adequate ventilation. Refer to the Safety Data Sheet for full handling instructions.
Does Tech Serve Solutions export 2-Chloro-4-hydroxybenzaldehyde?
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Yes, Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, including 2-Chloro-4-hydroxybenzaldehyde.
How can I request a sample or quote for 2-Chloro-4-hydroxybenzaldehyde?
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Please contact our sales team via the website or by phone to request a sample or a quotation for 2-Chloro-4-hydroxybenzaldehyde.
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