Overview
Sodium triacetate, also known as trisodium triacetate, is a chemical compound with the molecular formula C6H7Na3O6. It is widely used in various industries, including food, pharmaceuticals, and chemical synthesis. The compound is recognized for its buffering and antimicrobial properties, making it a valuable additive in food preservation and other applications. As a white crystalline powder, sodium triacetate is soluble in water and exhibits stability under normal storage conditions. Its ability to regulate pH and inhibit microbial growth has led to its adoption in multiple industrial processes. The compound is typically synthesized through the reaction of acetic acid with sodium hydroxide or sodium carbonate.
Physical and Chemical Properties
Sodium triacetate is characterized by its white crystalline appearance and high solubility in water. It decomposes at approximately 300°C, making it unsuitable for high-temperature applications. The compound's buffering capacity is one of its most notable chemical properties, allowing it to stabilize pH levels in various solutions. In addition to its buffering capabilities, sodium triacetate exhibits antimicrobial activity, which is particularly useful in food preservation. The compound is non-volatile and stable under typical storage conditions, though it should be protected from moisture to prevent clumping or degradation. Its molecular weight of 258.09 g/mol reflects its moderate size and complexity.
Main Applications
Sodium triacetate is primarily used as a food preservative due to its antimicrobial properties. It is commonly added to baked goods, dairy products, and processed meats to extend shelf life and maintain quality. The compound's buffering ability also makes it useful in pharmaceutical formulations, where it helps stabilize active ingredients. In chemical synthesis, sodium triacetate serves as a precursor or intermediate in the production of other compounds. Its role in regulating pH and preventing microbial growth has led to its adoption in industrial processes, including wastewater treatment and textile manufacturing. The versatility of sodium triacetate underscores its importance across multiple sectors.
Safety and Storage
While sodium triacetate is generally considered safe for its intended uses, proper handling and storage are essential to minimize risks. The compound should be stored in a cool, dry place away from moisture and incompatible substances such as strong acids or oxidizing agents. Protective equipment, including gloves and goggles, should be worn when handling the powder to avoid skin or eye contact. Inhalation of dust should be avoided, and adequate ventilation is recommended in areas where the compound is used or stored. In case of accidental exposure, rinse affected areas with plenty of water and seek medical attention if necessary. Safety data sheets (SDS) provided by suppliers should be consulted for detailed handling instructions.
B2B Procurement Guide
When procuring sodium triacetate for industrial or commercial use, buyers should prioritize quality and reliability. Key considerations include the compound's purity, which can vary between suppliers, and the availability of certificates of analysis (COA) to verify specifications. Packaging options, such as bulk bags or smaller containers, should align with the buyer's storage and handling capabilities. Price ranges for sodium triacetate typically depend on purity and order volume, with common reference prices between $10 and $30 per kilogram. Buyers are advised to request samples for testing before committing to large orders and to establish long-term relationships with reputable suppliers to ensure consistent quality and supply chain stability.
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