Overview
Triacetin, or glyceryl triacetate, is a triester of glycerol and acetic acid. It is a colorless to pale yellow oily liquid with a mild, fruity odor. Due to its non-toxic nature and versatile properties, it is widely used across multiple industries, including food, pharmaceuticals, and cosmetics. Triacetin is recognized for its ability to act as a plasticizer, solvent, and humectant. Its miscibility with water and various organic solvents makes it a valuable ingredient in formulations requiring solubility and stability. The compound is also biodegradable, aligning with environmental sustainability goals.
Physical and Chemical Properties
Triacetin exhibits a density of 1.16 g/cm³ and a boiling point range of 258-260°C. It remains stable under normal conditions but should be stored away from heat and open flames to prevent decomposition. The compound is miscible with water, alcohol, ether, and other organic solvents, enhancing its utility in diverse applications. Its low melting point of -78°C ensures it remains liquid at room temperature, facilitating easy handling and incorporation into formulations. Triacetin's non-toxic and biodegradable properties further contribute to its widespread adoption in industries prioritizing safety and environmental responsibility.
Main Applications
In the food industry, triacetin serves as a humectant and solvent in flavorings, chewing gum, and baked goods. It helps retain moisture and enhance texture, ensuring product quality and shelf stability. The pharmaceutical industry utilizes triacetin as a plasticizer in tablet coatings and as a solvent for active ingredients. The cosmetics industry employs triacetin in personal care products like lotions and creams, where it acts as a solvent and emollient. Additionally, its use as a plasticizer in cigarette filters and biodegradable plastics underscores its versatility. These applications highlight triacetin's role in improving product performance and sustainability.
Safety and Storage
Triacetin is generally recognized as safe (GRAS) by the FDA for use in food and pharmaceuticals. However, prolonged skin contact should be avoided to prevent potential irritation. Proper storage in a cool, dry, well-ventilated area away from heat and open flames is essential to maintain its stability. While triacetin is non-toxic and biodegradable, handling should follow standard safety protocols, including the use of personal protective equipment (PPE) such as gloves and goggles. Spills should be cleaned promptly with absorbent materials to prevent slips and environmental contamination.
B2B Procurement Guide
When procuring triacetin, B2B buyers should verify the CAS number (102-76-1) and purity specifications to ensure product quality. Suppliers offering bulk quantities may provide discounts, making it cost-effective for large-scale industrial use. It is advisable to request certificates of analysis (CoA) to confirm compliance with industry standards. Buyers should also inquire about packaging options, such as drums or totes, to suit their storage and handling needs. Establishing long-term relationships with reputable suppliers can ensure consistent quality and reliable delivery schedules, minimizing production disruptions.
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