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TEP

Triethyl Phosphate (TEP) is a halogen free flame retardant.
TEP is extremely low in viscosity which makes it a valuable viscosity cutter in a variety of product formulations.

chemical structure of triethyl phosphate

Application:
TEP is mainly used as flame retardant in rigid foam or board (PUR/PIR and Phenolic). It is also used in rubber, plastics and act as a firming agent, resin stabilizer & flame retardant.

Properties Values
Product Name Triethyl Phosphate
CAS No. 78-40-0
Molecular Formula (CH3CH2O)3PO
Molecular Weight (g/mol) 182.16
Appearance Colorless transparent liquid
Content(%) 99.5%
Refractive Index (nD25) 1.4050-1.4070 
Specific Gravity (20℃) 1.069-1.073
Acid Value (mgKOH/g) 0.05 
Chroma (APHA) 20
Water(%) 0.2%
Packing Method 200kg Drum