Overview
Trihydroxyethyl Isocyanurate (THEIC) is a versatile chemical compound primarily utilized in the polymer and coatings industries. Its molecular structure allows it to act as an effective crosslinking agent, enhancing the thermal and mechanical properties of various materials. THEIC is also valued for its flame-retardant capabilities, making it a critical component in safety-critical applications. THEIC is synthesized through the reaction of isocyanuric acid with ethylene oxide, resulting in a compound with three hydroxyl groups. This structure enables it to form stable bonds with polymers, improving durability and resistance to heat and chemicals. Its non-flammable nature further extends its use in fire-resistant coatings and adhesives.
Physical and Chemical Properties
THEIC is a white crystalline powder with a molecular weight of 261.23 g/mol. It exhibits high solubility in water and polar organic solvents, facilitating its incorporation into various formulations. The compound has a melting point range of 136-140°C, indicating its stability under moderate thermal conditions. Key chemical properties include its ability to act as a crosslinking agent due to the presence of hydroxyl groups, which react with other functional groups in polymers. THEIC also demonstrates excellent thermal stability, making it suitable for high-temperature applications. Its non-flammable nature further enhances its utility in flame-retardant formulations.
Main Applications
THEIC is widely used in the polymer industry as a crosslinking agent for resins, adhesives, and coatings. It improves the thermal and mechanical properties of these materials, making them more durable and resistant to degradation. In flame-retardant applications, THEIC is incorporated into coatings and plastics to enhance fire safety. Additionally, THEIC finds use in the production of specialty adhesives and sealants, where its crosslinking capabilities ensure strong, long-lasting bonds. The compound is also employed in the synthesis of certain pharmaceuticals and agrochemicals, leveraging its reactive hydroxyl groups for chemical modifications.
Safety and Storage
THEIC should be handled with care to avoid inhalation, skin contact, or eye exposure. Personal protective equipment, including gloves and safety goggles, is recommended when working with this compound. In case of contact, rinse thoroughly with water and seek medical attention if irritation persists. Storage conditions for THEIC include a cool, dry, and well-ventilated area, away from incompatible substances such as strong acids or oxidizing agents. Proper storage ensures the compound's stability and prevents degradation over time. Containers should be tightly sealed to avoid moisture absorption and contamination.
B2B Procurement Guide
When procuring THEIC, B2B buyers should prioritize suppliers with certifications such as ISO or REACH compliance to ensure product quality and regulatory adherence. Purity levels, typically ranging from 98% to 99.5%, should be verified based on application requirements. Batch consistency is another critical factor, as variations in quality can impact the performance of end products. Buyers should also consider the supplier's ability to provide technical support and documentation, including material safety data sheets (MSDS) and certificates of analysis (CoA). Pricing varies depending on quantity and purity, with bulk purchases often offering cost advantages.
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