First, The Product Basic  Information
English Name: Triphenyl Phosphate, Triphenyl  Phosphate (TPP), Tripolyphosphate, Plasticizer, Triphenyl Phosphate, Phenyl  Phosphate, Triphenyl Phosphate, Flame Retardant TPP
English Name: Triphenyl  Phosphate, Altal; Celluflex TPP; Celluflextpp; Disflamoll TP; Disflamolltp;  Dymel; Kronitex TPP; Phenyl Phosphate ((PhO) 3PO)

Chinese Name:磷酸三苯酯,阻燃剂TPP

CAS Number:  115-86-6
Molecular Formula: C18H15O4P
Molecular Weight: 326.28
EINECS  Number: 204-112-2
Traits: White Flake Crystals
Content (≥99%)
Melting  Point (≥48 ℃)
Free Phenol (≤ 0.1%)
Color APHA (≤60)
Acid Value (MgKOH /  G) (≤0.1)
Raw Materials: Phosphorus Oxychloride, Phosphorus Trichloride,  Phenol.
Packing: Net Weight 25KG / Composite Paper Bag (Lined With Black  Plastic Bag), A Small Cabinet Installed 12.5 Tons.

Second, Product Use
Use One: Used To Increase  The Plastic Molding Process When The Plasticity And Flow Properties.
Use Two:  For Nitrocellulose, Acetate And Polyvinyl Chloride Plastic Plasticizer.
Use  Three: For Gas Chromatography Fixed Liquid, Cellulose And Plastic Plasticizer And Celluloid In The Camphor Non-Flammable Substitutes.
Use Four: Gas  Chromatography Fixed Solution (The Maximum Temperature Of 175 ℃, Solvent Ether),  Selectivity And Polyethylene Glycol Similar To The Selective Retention Of  Alcohol Compounds.

Third, The Production  Process
Phosphorus Oxychloride Direct Method (Thermal Method) And  Phosphorus Trichloride Indirect Method (Cold Method).
(1) The Thermal Process  Of Phenol Dissolved In Pyridine And Anhydrous Benzene Solvent, Not More Than 10  ℃ Below, Slowly Adding Phosphorus Oxychloride, And Then In The Reflux Humidity  For 3-4h, Cooled To Room Temperature, The Reactants By The Pyridine Was Washed  With Water For Dehydration Of Sodium Sulphate And Filtered To Remove Sodium  Sulfate. The Benzene Was Distilled Off Under Normal Pressure. The Fraction Of  243-245 ℃ / 1.47KPa Was Collected By Vacuum Distillation. The Product Was Cooled  And Crystallized.
(2) The Cold Method Of Phenol Dissolved In Pyridine And  Anhydrous Benzene Solvent, And Then At 40 ° C Drop Of Phosphorus Trichloride To  Generate Triphenyl Phosphite, Continue At 70 ° C Into The Chlorine Gas To  Produce Triphenyl Phosphate Acid And Then Hydrolyzed At 80 ° C To Produce  Triphenyl Phosphate. The Hydrolyzate Is Washed With Water, Neutralized With A  Base, And Then Concentrated Under Reduced Pressure To Obtain A Finished Product.  Refining Method: Often Contain Phenol, Phosphoric Acid And Acid Phosphate And  Other Impurities. Recrystallization From Ethanol or A Mixture Of Ethanol And  Solvent Gasoline.