Product introduction:
4-Chloroacetophenone (CAS Number 99-91-2), also known as p-Chloroacetophenone or 1-(4-Chlorophenyl)ethanone, is a highly functional aromatic ketone that appears as a colorless transparent liquid or white crystalline solid. Manufactured with strict purity control, this product is available at a minimum purity of 99.0% and contains ≤0.20% moisture, making it ideal for applications requiring high chemical precision and consistency.
Due to its robust aromatic structure and functional ketone group, 4-Chloroacetophenone is widely used as an intermediate in pharmaceuticals, agrochemicals, dyes, and research chemicals. It is also recognized for its role in the production of chemical irritants and tear gas under controlled regulations.
Product Specifications
Parameter | Value |
Product Name | 4-Chloroacetophenone |
CAS Number | 99-91-2 |
Synonyms | p-Chloroacetophenone, 1-(4-Chlorophenyl)ethanone |
Molecular Formula | C8H7ClO |
Molecular Weight | 154.59 g/mol |
Appearance | Colorless transparent liquid or white solid |
Purity (by GC) | ≥99.0% |
Moisture Content | ≤0.20% |
Melting Point | 38–40°C |
Boiling Point | 245–248°C |
Flash Point | >110°C |
Density (25°C) | 1.20 g/cm³ |
Storage | Cool, dry, well-ventilated place, sealed container |
HS Code | 29143990 |
Brand | Epoch |
Applications
4-Chloroacetophenone has broad industrial and laboratory uses, including but not limited to:
1. Pharmaceutical Intermediate
Precursor for active pharmaceutical ingredients (APIs)
Used in the synthesis of anti-inflammatory, analgesic, and CNS-targeting drugs
2. Agrochemical Industry
Intermediate for herbicides, fungicides, and pesticides
Offers structural advantages in designing halogenated agrochemicals
3. Chemical Research & Fine Chemicals
Serves as a model compound in organic reaction mechanism studies
Used in preparation of fine chemicals and specialty reagents
4. Dye & Pigment Manufacturing
Base compound in the synthesis of complex aromatic dyes
Used in colorants requiring halogenated aromatic building blocks
5. Controlled Use in Riot Control Agents
Historically used as an active ingredient in tear gas formulations
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