Triphenyl Phosphate (TPP) Flame Retardant

Overview

Triphenyl phosphate (TPP) is a white crystalline flake or powder that melts at about 48–50 ℃. It is a widely used halogen-free flame retardant and plasticizer.

Also known as

TPP; Phosphoric acid triphenyl ester; Triphenyl orthophosphate

CAS number

115-86-6

Molecular formula

C18H15O4P

Molecular weight

326.28

Specifications

Test items	Specifications
Appearance	White flake crystals
Content /%	≥99
Insoluble matter in benzene /%	<0.05
Density /(g/cm³)	1.26
Acid value /(mgKOH/g)	≤0.1
Color (APHA)	≤50

Applications

• Flame retardant for PC/ABS, PPO/HIPS and other engineering plastics
• Flame-retardant plasticizer for cellulose acetate film and nitrocellulose lacquers
• Flame retardant for phenolic and epoxy resins and laminates
• Plasticizer for synthetic rubber

Packaging

25 kg/bag.

Storage

Store in a cool, dry, ventilated place with the bags kept sealed, away from heat (TPP melts at about 50 ℃).