Molecular formula: C₁₈H₁₃O₄P
Appearance: white powder
Melting point: 250 ℃
Use: Mainly used in polyester. Heat resistance, mechanical characteristics and fire resistance property of aromatic poly ester containing phosphorus are very excellent. Copolyester, added DOPO-BQ, has good crystallinity, amorphism and melting point. It is composition of liquid crystal.