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Triphenyl Phosphate Cas 115-86-6

Triphenyl phosphate is referred to as TPP. Chemical formula PO(OC6H5)3. Molecular weight 326.28. Colorless or white needle crystal, or crystalline powder. Odorless. or slightly aromatic. Tasteless. The relative density is 1.185 (25°C). Flash point 223 ℃. Refractive index 1.550. Insoluble in water, soluble in benzene, chloroform, ether, acetone, soluble in ethanol. This product has low volatility and flame retardancy; poor plasticizing ability, poor light resistance and pollution resistance.

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Product Name:Triphenyl phosphate

Synonym:TPP; Phosphoric acid triphenyl ester;

Molecular Structure:


Items Specifications
CAS No 115-86-6
Molecular Formula C18H15O4P
Molecular weight 326.28
Appearance White flake solid
TPP Content ≥99.0%
Acid value ≤0.1mgKOH/g
Color (APHA) ≤60
Density (50℃) 1.185~1.202
Freezing point ≥47℃



20kg/carton box.



Triphenyl phosphate is mainly used in PVC, PU, epoxy resin, polyester fiber, PC/ABS, PPO/HIPS, PVAC, PS, PS, CA, CAB, CA/CAB, VC/VAC, fiber resin, vinyl resin, natural rubber, hydraulic solution and lubricant, cellulose polymer, polyurethane material, paint and varnish.



Sheltered, dry, dark place for storage.


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