TCPP chemical name ---Tris(1-chloro-2-propyl) phosphate fire retardant series , is an organophosphorus fire retardant halogen compound . which has high hydrolytic stability, it is not soluble in water, and can be dissolved in ethanol, acetone, esters, aromatics, chloroform, and other organic solvents. TCPP is very resistant to ultraviolet light. As fire retardant, it is widely used in rigid polyurethane foam to reach the basic fire resistant standard .such as DIN 4102 (B1/B2), EN 13823 (SBI, B), GB/T 8626-88B1/B2),ASTM E84-00 .it also can make the BS5852 crib 5 standard if it’s used in flexible polyurethane foam .