Overview
Ethyl benzoate is an organic ester formed from benzoic acid and ethanol. It occurs naturally in some fruits and is synthesized industrially for its versatile applications. The 'premium grade' designation indicates high purity (typically ≥99%), making it suitable for sensitive uses like food additives and pharmaceuticals. As a volatile compound, it contributes to the flavor profiles of cherry, peach, and grape in food products. Its stability and low toxicity have led to adoption across cosmetics, personal care, and industrial sectors as a solvent or fixative.
Physical and Chemical Properties
The compound exhibits characteristic ester properties: a density of 1.05 g/cm³ and boiling point of 212°C. Its refractive index (1.505-1.508 at 20°C) and flash point (88°C) are critical for handling and formulation processes. Chemically, it undergoes typical ester reactions like hydrolysis under acidic/alkaline conditions. Its low water solubility but compatibility with organic solvents makes it ideal for non-aqueous systems. The aromatic ring structure provides UV absorption properties, useful in sunscreen formulations.
Main Applications
In food technology, ethyl benzoate serves as an artificial flavoring (EU E-number E1514) for candies, baked goods, and beverages. The cosmetics industry utilizes it in perfumes for its floral note and as a plasticizer in nail polish. Pharmaceutical applications include use as an excipient to enhance drug solubility. Industrially, it functions as a solvent for cellulose ethers and resins in coatings. Recent research explores its potential as a green solvent in chemical synthesis.
Safety and Storage
Classified as flammable (Category 3) and irritating to eyes/skin, proper PPE (gloves, goggles) is mandatory during handling. Storage requires fireproof cabinets with ventilation, separated from oxidizers. Decomposition above 300°C may release benzoic acid fumes. Spills should be contained with inert absorbents. Regulatory limits apply in food use (typically 0.1-50 mg/kg depending on application). Proper labeling per GHS standards is essential for transportation.
B2B Procurement Guide
Bulk buyers should request Certificates of Analysis confirming purity (HPLC/GC tested), residual solvent levels, and heavy metal content. Pharmaceutical-grade material requires additional USP/EP compliance documentation. Suppliers should demonstrate GMP compliance for food/cosmetic applications. Logistics considerations include drum material compatibility (stainless steel/HDPE preferred) and climate-controlled transport for premium grades. MOQs typically start at 200kg, with discounts for metric ton quantities.
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