Overview
Hydroxyethyl Isocyanurate (HEIC) is a derivative of isocyanuric acid, characterized by its hydroxyethyl functional groups. It is widely used in industrial applications due to its thermal stability and flame-retardant properties. HEIC is particularly valued in the production of coatings and adhesives, where it acts as a cross-linking agent. HEIC is synthesized through the reaction of isocyanuric acid with ethylene oxide, resulting in a compound that combines the robustness of isocyanurate with the reactivity of hydroxyethyl groups. This dual functionality makes it a versatile intermediate in various chemical processes.
Physical and Chemical Properties
HEIC is a white crystalline powder with a molecular weight of 261.23 g/mol. It is soluble in water and polar organic solvents, which enhances its utility in formulations requiring homogeneous mixtures. The compound exhibits a melting point of approximately 130-135°C, making it suitable for high-temperature applications. One of the key properties of HEIC is its high thermal stability, which is attributed to the isocyanurate ring structure. This stability, combined with its flame-retardant characteristics, makes it a preferred choice for materials requiring fire resistance. Additionally, HEIC reacts readily with isocyanates, enabling its use in polyurethane and epoxy systems.
Main Applications
HEIC is primarily used in the formulation of coatings and adhesives, where it serves as a cross-linking agent to improve durability and chemical resistance. Its flame-retardant properties also make it a valuable additive in plastics and textiles, particularly in applications where fire safety is a concern. In the automotive and aerospace industries, HEIC is incorporated into composite materials to enhance thermal stability. It is also used in the production of specialty chemicals, such as surfactants and emulsifiers, due to its reactive hydroxyethyl groups.
Safety and Storage
HEIC should be handled with care to avoid inhalation or skin contact. Proper personal protective equipment (PPE), including gloves and goggles, is recommended during handling. The compound should be stored in a cool, dry place, away from direct sunlight and moisture, to prevent degradation. In case of accidental exposure, rinse the affected area with plenty of water and seek medical attention if necessary. Safety data sheets (SDS) should be consulted for detailed handling and disposal guidelines.
B2B Procurement Guide
When procuring HEIC, it is essential to verify the CAS number (839-90-7) and purity specifications to ensure product quality. Buyers should inquire about bulk pricing and discounts, as prices can vary significantly based on quantity and supplier. Reliable suppliers often provide technical support and documentation, such as certificates of analysis (CoA). It is advisable to source HEIC from manufacturers with a proven track record in chemical production to guarantee consistency and compliance with industry standards.
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