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Triphenyl phosphate TPP CAS 115-86-6
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    25kg/bag 20MT per 20GP container
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Triphenyl phosphate CAS 115-86-6 (TPHP) is the chemical compound with the formula OP(OC6H5)3. This colourless solid is the ester (triester) of phosphoric acid and phenol. It is used as a plasticizer and a fire retardant in a wide variety of settings and products.



Melting point                  48-50 C(lit.)
Boiling point                   370 C
Density                           1.2055
Refractive index             1.563
Flash point                     435 F 
Storage temp.                2-8C
Water Solubility              insoluble


Appearance:                       White flaky crystal 

Assay:                                 99%;
Acid value (mgKOH/g):         0.10%
Free Phenol:                        0.10%
Freezing Point:                    47℃
Chroma (APHA):                  60
Moisture:                             0.10%
Density(50C, g/cm3):          1.185-1.202


Triphenyl phosphate has been used widely as a flame retardant and plasticizer.It has been used as a flame retardant for a variety of materials, including electronic equipment, PVC, hydraulic fluids, glues, and casting resins. 

Its mechanism of action as a flame retardant is as follows: first, during thermal decomposition, phosphoric acid is formed. This reacts to form pyrophosphoric acid, which, when in its condensed phase, acts to block heat transfer. One of the most effective flame retardants for certain polymers, TPhP is only active as an additive flame retardant in its gas phase.Phase out of PBDEs may have increased the use of TPhP in recent years.

TPhP is also used as a plasticizer in lacquers, varnishes, and hydraulic fluids. Nail polish has received particular interest as a source of exposure to TPhP.


25kg/bag, 20MT per 20GP container


Placed in sealed container and kept in a cool and dry place.

Avoid strong vibration, insolation, high temperature, smoke and fire.

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