Trimethylphenyl phosphate (TCP)

- Jan 07, 2019-

Trimethylphenyl phosphate (TCP)





CAS: 1330-78-5


Chinese Name: Trimethylphenyl Phosphate


English name: tricresyl phosphate; Tritolyl phosphate


Molecular formula: C21H21O4P; (CH3C6H4O) 3PO molecular weight: 368.36


Three isomers:


Tri-o-tolylphosphate; Tri-o-Tolylphosphate (TOCP); CAS: 78-30-8


Tri m-tolylphosphate; Tri-m-tolylphosphate; CAS: 563-04-2


Tri-p-tolylphosphate; Tri-p-tolylphosphate; CAS: 78-32-0


Density: relative density (water = 1) 1.16


Solidification point: <; 35 C


Refractive index: 1.553-1.556


Viscosity (20 C): 78-85 mPa.s


Phosphorus: 8.4%


Flash Point (Opening Cup): > 230 C


Solubility parameter: 9.8


Steam pressure: 225 C


Appearance: Transparent liquid with aromatic odor


Acid value (mgKOH/g): <0.1


Free phenol: <0.1%


Chromaticity (APHA): <50


Reduction after heating: <0.1%


Solubility parameter: 9.8


Steam pressure: 225 C


Solubility: insoluble in water, soluble in alcohol, benzene and other organic solvents


Stability: Stability


Appearance and Properties: Colorless or yellowish transparent oily liquid


Hazard Marking: 14 (Toxics)


Usage: Plastic plasticizer, spray paint plasticizer