Overview
Triethyl acetate is an organic ester derived from acetic acid and ethanol. It is valued industrially for its solvent properties and mild, fruity aroma. As a non-toxic alternative to harsher solvents, it is commonly used in coatings, inks, and food flavorings. The compound is synthesized via esterification, with stringent quality controls to ensure high purity (typically ≥99%). Its balance of volatility and solvency makes it versatile for both industrial and niche applications.
Physical and Chemical Properties
Triethyl acetate is a colorless liquid with a density of 0.89 g/cm³ and a boiling point of 170–172°C. Its low melting point (-78°C) ensures liquidity in most storage conditions. The ester is hydrophobic but miscible with alcohols, ethers, and other organic solvents. Key chemical properties include stability under normal conditions and slow hydrolysis in aqueous environments. Its vapor pressure (1.6 kPa at 20°C) necessitates proper ventilation during handling to avoid flammable vapor accumulation.
Main Applications
In coatings and inks, triethyl acetate acts as an eco-friendly solvent due to its rapid evaporation and low residue. It is also a carrier for synthetic resins in adhesives. The food industry uses it as a flavoring agent (e.g., for fruit essences), while pharmaceuticals employ it as a reaction intermediate. Additionally, it serves as a laboratory reagent for organic synthesis, particularly in acetylation reactions. Its low toxicity expands its use in consumer products like perfumes and cleaning agents.
Safety and Storage
Classified as a flammable liquid (Flash point: 40°C), triethyl acetate requires storage in sealed containers away from heat and open flames. Electrostatic discharge protection is recommended during transfer. PPE—including chemical-resistant gloves and ventilation—is mandatory to prevent skin/eye contact. Spills should be contained with inert absorbents (sand, vermiculite) and disposed of as hazardous waste. Shelf life exceeds two years when stored in stainless steel or HDPE containers under nitrogen blanket to prevent moisture absorption.
B2B Procurement Guide
Bulk buyers should prioritize suppliers with ISO 9001 certification and REACH compliance. Key specifications include purity (≥99%), water content (<0.1%), and acid value (<0.05 mg KOH/g). Packaging options range from 200L drums to ISO tank containers for volumes above 1 metric ton. Negotiate pricing based on order volume and Incoterms (e.g., FOB, CIF). Sample testing for residual solvents (e.g., methanol) is advised. Long-term contracts often secure discounts of 5–10% off spot prices.
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