Desyl chloride
Desyl chloride (CAS 447-31-4), with the molecular formula C6H5CH(Cl)COC6H5 and a molecular weight of 230.69 g/mol, is a halogenated acetophenone derivative. This compound functions as a key intermediate and building block in organic synthesis, particularly in the preparation of more complex organic molecules. Its reactive nature makes it valuable for various chemical transformations in research and industrial applications.
- IUPAC
- ω-Chloro-ω-phenylacetophenone,2-Chloro-2-phenylacetophenone

Organic Synthesis Intermediate
Desyl chloride serves as a versatile building block in the synthesis of diverse organic compounds. Its electrophilic centre is amenable to nucleophilic substitution reactions, enabling the introduction of the desyl moiety into target molecules.
Research and Development
Utilised in academic and industrial research laboratories for exploring new synthetic pathways and developing novel chemical entities. Its structure allows for varied functionalisation critical in discovery chemistry.
Fine Chemical Production
Contributes to the manufacturing of fine chemicals where specific aryl ketone structures are required. It is an important reagent for creating specialised compounds.
| Molecular weight | 230.69 |
|---|---|
| Linear formula | C6H5CH(Cl)COC6H5 |
| Assay | 97% |
| Melting point | 62-63 °C(lit.) |

Hazard statements
- H314Causes severe skin burns and eye damage
Precautionary statements
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
- P310Immediately call a POISON CENTER or doctor
| Protective equipment | Eyeshields, Faceshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges |
|---|---|
| Transport (UN / ADR) | UN 3261 8 / PGII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | C |
| Risk statements (R) | 34-37 |
| Safety statements (S) | 26-36/37/39-45 |
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 Desyl chloride used for?
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Desyl chloride (CAS 447-31-4) is primarily used as an intermediate and building block in organic synthesis for the preparation of various complex organic molecules and fine chemicals.
What is the CAS number and chemical formula for Desyl chloride?
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The CAS number for Desyl chloride is 447-31-4, and its chemical formula is C6H5CH(Cl)COC6H5.
What grade and purity does Tech Serve Solutions supply for Desyl chloride?
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Tech Serve Solutions supplies Desyl chloride with an assay of 97%. We do not represent this product as USP, BP, EP, or any pharmacopoeia grade.
How should Desyl chloride be handled safely?
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Desyl chloride is classified as a Danger hazard, causing severe skin burns and eye damage (H314). Handling requires appropriate personal protective equipment including eyeshields, face shields, chemical-resistant gloves, and respiratory protection. Ensure adequate ventilation and avoid contact with skin, eyes, and clothing.
How is Desyl chloride packed, shipped, and exported by TSS?
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Desyl chloride is packed and shipped in accordance with international regulations for hazardous materials (UN 3261, Class 8, Packing Group II). Tech Serve Solutions is experienced in global export of chemical reagents.
How can I request a sample or quote for Desyl chloride?
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To request a sample or quote for Desyl chloride, please contact the Tech Serve Solutions sales team through our website or direct inquiry channels.
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