Overview
Tris(4-hydroxyphenyl)ethane (THPE) is an organic compound featuring three phenol groups attached to a central ethane core. It is widely used in industrial applications due to its trifunctional nature and thermal stability. The compound serves as a key intermediate in the synthesis of epoxy resins and flame retardants. THPE is particularly valued for its ability to enhance the mechanical and thermal properties of polymers. Its high reactivity with epichlorohydrin makes it a preferred choice for producing cross-linked epoxy systems. Additionally, its phenol groups contribute to flame retardancy, making it useful in safety-critical applications.
Physical and Chemical Properties
Tris(4-hydroxyphenyl)ethane is a white to off-white crystalline powder with a molecular weight of 306.36 g/mol. It has a melting point range of 175-180°C, indicating its stability under moderate heat. The compound is soluble in common organic solvents like acetone and ethanol but exhibits limited solubility in water. Its chemical structure includes three phenol groups, which contribute to its reactivity in polymerization reactions. The presence of hydroxyl groups allows for hydrogen bonding, enhancing its compatibility with polar matrices. THPE also exhibits good thermal stability, making it suitable for high-temperature applications.
Main Applications
THPE is primarily used in the production of epoxy resins, where it acts as a cross-linking agent. These resins are employed in coatings, adhesives, and composite materials due to their durability and chemical resistance. The compound's trifunctional nature ensures a high degree of cross-linking, resulting in robust polymer networks. Another significant application is in flame retardants, where THPE is incorporated into materials to reduce flammability. Its phenol groups release water when heated, diluting flammable gases and slowing combustion. Additionally, THPE finds use in specialty polymers and as an intermediate in organic synthesis.
Safety and Storage
Tris(4-hydroxyphenyl)ethane should be handled with care to avoid exposure. Inhalation of dust or fumes can irritate the respiratory tract, while skin contact may cause irritation. Always use personal protective equipment (PPE), including gloves and goggles, when handling the compound. Storage conditions are critical to maintaining THPE's stability. It should be kept in a cool, dry place, away from moisture and direct sunlight. Ensure containers are tightly sealed to prevent contamination. In case of spills, use appropriate absorbent materials and dispose of them according to local regulations.
B2B Procurement Guide
When procuring THPE, buyers should prioritize suppliers that provide detailed technical specifications, including purity levels and CAS number verification. Bulk purchases often yield cost savings, but storage capacity and shelf life must be considered. Quality assurance is essential, especially for applications requiring high-purity THPE. Request certificates of analysis (CoA) and material safety data sheets (MSDS) to ensure compliance with safety and performance standards. Additionally, evaluate supplier reliability, lead times, and logistical support to minimize supply chain disruptions.
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