Triphenyl Phosphate（TPP） Molecular Formula:C18H15O4P CAS(115-86-6) Molecular Weight：326 Structural Formula：O=P(OC6H5)3 Nature：White flake or power crystal . It has fragrant odor ，irinflammable ,a little deliquescence .Melting point : 48.4-51℃. Liquid state relative density :1.208/60℃. B.P.:370℃/ 0.1MPa, 245℃/1.467kPa. Refractive Index: 1.5518-1.5630/ 25℃.Flash point 220℃。It can dissolve in benzene, chloroform , ether, acetone and so on organic matter .But it is difficult to dissolve water . Hazardous articals number：TC 8400000 Toxicity ：LD50 ：（white rat to eat ）3000mg/Kg Quality Index: Index Name INdex Top grade Industrial grade Appearance white flake or power crystal Color Value APHA ≤ 40 ≤ 100 Acid Value mgKOH/g ≤ 0.03 ≤ 0.10 Freezing Point ℃ ≥ 48.5 ≥ 47.0 Free Phenol ％ ≤ 0.05 ≤ 0.10 Content ％ ≥ 99.8 ≥ 99.5 Usage ：It can be used as fireproof plasticizer in cellulose resin, vinyl resin, natural and synthetic rubber, with low volatility, high fireproof effect, excellent retention rate of mechanical property, transparency, softness and obdurability; used as plasticizer and fireproof additive in cellulose nitrate, a wide variety of coatings, the thin ester and soft sheet of glycerol triacetate, hard polyurethane foamed plastic, engineering plastics, etc. Mainly used for the fire retardation of cellulose resin, vinyl resin, natural rubber and synthetic rubber.。It apply to plastic：ABS, CN, CA, Pet, PVc , PO, PU, PVAc, PPO. Packing ：25Kg/bag

CAS NO:115-86-6

EC NO:204-112-2

Molecular Formula:C₁₈H₁₅O₄P

Molecular Weight:326.2831

Synonyms:;triphenyl phosphate free of phenol;Triphenyl Phosphate (TPPa);Triphenyl phosphate white xtl;Phosphoric acid triphenyl ester;TPP;Triphenyl Phosphate(TPP);Reofos TPP;PhosflexTPP;DisflamollTP;

Molecular Structure: