4-Chlorobenzoin
4-Chlorobenzoin (CAS: 39774-18-0) is an organic compound with the linear formula ClC 6 4 COCH(OH)C 6 5 and a molecular weight of 246.69 g/mol. As a substituted benzoin derivative, it functions as a valuable building block in organic synthesis. This ketone is primarily utilised in chemical research and development, offering a versatile scaffold for constructing more complex molecules within the carbonyl compound class.
- IUPAC
- 1-(4-Chlorophenyl)-2-hydroxy-2-phenylethanone

Organic Synthesis Intermediate
4-Chlorobenzoin serves as a key intermediate in the synthesis of various organic compounds. Its structure allows for diverse chemical transformations, making it useful in the development of novel molecules.
Research and Development
Utilised in research laboratories, this compound aids in the exploration of new chemical pathways and the creation of complex molecular architectures.
Building Block for Complex Molecules
As an organic building block, 4-Chlorobenzoin provides a foundational structure for chemists to expand upon, leading to the creation of fine chemicals and advanced materials.
| Molecular weight | 246.69 |
|---|---|
| Linear formula | ClC6H4COCH(OH)C6H5 |
| Assay | 97% |
| Melting point | 89-93 °C(lit.) |

Hazard statements
- H302Harmful if swallowed
- H319Causes serious eye irritation
Precautionary statements
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Faceshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22 |
| Safety statements (S) | 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 4-Chlorobenzoin primarily used for?
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4-Chlorobenzoin is primarily used as a building block and intermediate in organic synthesis and in research and development for creating more complex molecules.
What are the CAS number and formula for 4-Chlorobenzoin?
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The CAS number for 4-Chlorobenzoin is 39774-18-0, and its linear formula is ClC 6 4 COCH(OH)C 6 5 .
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 4-Chlorobenzoin with a purity of 97%. We do not represent this product as USP, BP, or EP grade.
What are the main hazards associated with 4-Chlorobenzoin?
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4-Chlorobenzoin is classified with GHS07 symbol and a Warning signal word. It carries hazard statements H302 (Harmful if swallowed) and H319 (Causes serious eye irritation). Appropriate personal protective equipment, including a dust mask (N95), eyeshields, faceshields, and gloves, should be worn when handling.
How is 4-Chlorobenzoin shipped and exported?
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Tech Serve Solutions, a specialist global supplier and exporter since 1998, ships and exports chemicals including 4-Chlorobenzoin, adhering to international shipping regulations.
How can I request a quote or sample for 4-Chlorobenzoin?
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To request a quote or sample for 4-Chlorobenzoin, please contact our sales team through the website or by phone.
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