4′-Chloroacetophenone
4′-Chloroacetophenone (CAS: 99-91-2), with the linear formula ClC₆H₄COCH₃ and a molecular weight of 154.59 g/mol, is a chemical compound utilised as a key intermediate in organic synthesis. It belongs to the ketone and carbonyl compound families, finding application in the chemical industry for the construction of more complex molecules. Tech Serve Solutions supplies this compound with an assay of 97%.
- Synonyms
- 4-Chloroacetophenonep-Chloroacetophenone1-(4-Chlorophenyl)ethanoneAcetophenone, 4'-chloro-4-Acetylchlorobenzene

Organic Synthesis Intermediate
4′-Chloroacetophenone serves as a versatile building block in organic chemistry. Its reactive carbonyl group and chlorinated aromatic ring allow for various synthetic transformations, contributing to the creation of diverse organic molecules.
Precursor for Specialty Chemicals
This compound is used in the synthesis of various specialty chemicals and fine chemicals. Its structure makes it suitable for incorporation into pharmaceutical intermediates and other complex organic structures.
Research and Development
In research laboratories, 4′-Chloroacetophenone is employed in academic and industrial R&D for exploring new synthetic pathways and developing novel compounds. Its well-defined reactivity aids in predictable reaction outcomes.
| Molecular weight | 154.59 |
|---|---|
| Linear formula | ClC6H4COCH3 |
| Assay | 97% |
| Boiling point | 232 °C(lit.) |
| Density | 1.192 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.554(lit.) |
| Vapour pressure | 8 mmHg (90 °C) |
| Melting point | 14-18 °C(lit.) |


Hazard statements
- H302Harmful if swallowed
- H315Causes skin irritation
- H318Causes serious eye damage
- H330Fatal if inhaled
- H335May cause respiratory irritation
Precautionary statements
- P260Do not breathe dust, fume, gas, mist, vapours or spray
- P280Wear protective gloves, clothing and eye/face protection
- P284Wear respiratory protection
- P305IF IN EYES
- P310Immediately call a POISON CENTER or doctor
| Protective equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 90 °C / 194 °F |
| Transport (UN / ADR) | UN 3416 6.1 / PGII |
| Water hazard class (WGK, DE) | 1 |
| Hazard codes (EU) | T+ |
| Risk statements (R) | 22-26-37/38-41 |
| Safety statements (S) | 26-28-36/37/39-45 |
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 4′-Chloroacetophenone used for?
+
4′-Chloroacetophenone is primarily used as an intermediate in organic synthesis for the preparation of specialty chemicals, pharmaceutical intermediates, and in chemical research and development.
What is the CAS number and molecular formula for 4′-Chloroacetophenone?
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The CAS number for 4′-Chloroacetophenone is 99-91-2, and its linear formula is ClC₆H₄COCH₃.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 4′-Chloroacetophenone with an assay of 97%. We do not represent this product as USP, BP, EP, or pharmacopoeia grade; it is supplied for research and industrial use.
What are the main safety hazards associated with 4′-Chloroacetophenone?
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4′-Chloroacetophenone is a dangerous substance. It is harmful if swallowed (H302), causes skin irritation (H315), causes serious eye damage (H318), is fatal if inhaled (H330), and may cause respiratory irritation (H335). Appropriate personal protective equipment, including eye protection, gloves, and respiratory protection, must be used.
How is 4′-Chloroacetophenone packed, shipped, and exported?
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4′-Chloroacetophenone is packed according to industry standards to ensure safe transit. As an international supplier, Tech Serve Solutions expertly handles the export of this chemical, adhering to all relevant regulations.
How can I request a quote or sample of 4′-Chloroacetophenone?
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To request a quote or a sample of 4′-Chloroacetophenone, please contact our sales department through the website or by phone. Our team will be pleased to assist you.
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