Overview
Phenylethyl Chloride (C8H9Cl) is an organochlorine compound primarily used as an intermediate in pharmaceuticals and agrochemicals. It is synthesized via chlorination of phenylethyl alcohol or Friedel-Crafts alkylation. Its reactive chlorine atom makes it valuable for further functionalization in organic synthesis. Industrially, it is supplied as a high-purity liquid (≥98%) with strict quality control for sensitive applications. Due to its flammability and toxicity, handling requires adherence to safety protocols, including proper ventilation and personal protective equipment (PPE).
Physical and Chemical Properties
Phenylethyl Chloride is a colorless to pale yellow liquid with a characteristic aromatic odor. It has a density of 1.07 g/cm³ and boils at 200-202°C, making it stable under standard conditions but volatile at higher temperatures. The compound is insoluble in water but miscible with common organic solvents like ethanol, ether, and acetone. Its reactivity includes nucleophilic substitution reactions, where the chlorine atom can be replaced by other functional groups (e.g., -OH, -NH2). It is incompatible with strong oxidizers and bases, which can lead to hazardous decomposition or polymerization.
Main Applications
The primary use of Phenylethyl Chloride is as a building block in pharmaceutical synthesis, particularly for antihistamines and local anesthetics. It also serves as an intermediate in agrochemicals, such as herbicides and insecticides, where its chlorine moiety enhances bioactivity. In organic chemistry, it is employed in Friedel-Crafts reactions to introduce phenylethyl groups into aromatic systems. Smaller quantities are used in fragrances and dye manufacturing, though niche applications require higher purity grades.
Safety and Storage
Phenylethyl Chloride is classified as toxic (H301/H311) and flammable (H225). Exposure routes include inhalation, skin contact, and ingestion, with potential effects ranging from irritation to organ damage. Always use a fume hood, nitrile gloves, and safety goggles during handling. Storage requires fireproof cabinets in cool, dry areas away from incompatible substances (e.g., oxidizers). Containers must be tightly sealed to prevent moisture absorption and evaporation. Spills should be neutralized with inert absorbents and disposed of as hazardous waste.
B2B Procurement Guide
When sourcing Phenylethyl Chloride, prioritize suppliers with certifications like ISO 9001 or GMP compliance for pharmaceutical-grade material. Key specifications to verify include purity (≥98%), water content (<0.5%), and residual solvents. Request SDS and batch analysis reports for quality assurance. Bulk purchases (e.g., 25 kg drums) typically offer cost savings, but ensure proper storage capacity. Spot-check deliveries for consistency in appearance and odor. For international shipments, confirm compliance with regulations like REACH or TSCA.
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