Triphenyl Phosphite (TPP) Molecular Formula：C18H15O3P CAS (101-02-0) Molecular Weight：310.29 Structural Formula:（C6H5O）3P Nature：This products is Colorless or yellowish transparent liquid when the temperature is above 20℃.It has fragrant odor. Melting point: 22-25℃， boiling point 360℃，relative density: 1.18，flash point :218℃，Refractive index:（η20D）1.586-1.590.It will be acicular crystal below freezing point，irinflammable. It can react with most organic matter except water. It can also absorb in rays . Hazardous articles number：TH 1575000 Toxicity：LD50：(white rat to eat )：1600-3200mg/Kg Quality Index： Index Name Index Color Value APHA ≤ 100 Acid Value （mgKOH/g） ≤ 0.5 Relative Density （20℃） 1.180-1.185 Refractive Index （20℃） 1.586-1.590 Freezing Point ℃ 20-24 Content ％ ≥ 99.5 Free Phenol ％ ≤ 0.1 Usage ：This is auxiliary antioxidizer .It has light stable effect . It used as antioxidizer and stabilizer in polymer . It can also work well in coordination with antioxidizerof phenol . It used as plastic goods additive widely ，auxiliary antioxidizer . Packing ：200Kg/ galvanized barrel

CAS NO:101-02-0

EC NO:202-908-4

Molecular Formula:C₁₈H₁₅O₃P

Molecular Weight:310.2837

Synonyms:;Triphenyl Phosphite (TPPi);Triphenyl phospite;Triphenylphosphite white yellow xtl;TPPI;

Molecular Structure: