Trioctyl Phosphate (TOP) Flame Retardant

Overview

Trioctyl phosphate (TOP), tris(2-ethylhexyl) phosphate, is a colorless, low-volatility liquid. It is a flame-retardant plasticizer with excellent low-temperature properties and a solvent in hydrogen peroxide production.

Also known as

TOP; TEHP; Tris(2-ethylhexyl) phosphate

CAS number

78-42-2

Molecular formula

C24H51O4P

Molecular weight

434.63

Specifications

Test items	Specifications
Appearance	Colorless transparent liquid
Content /%	≥99
Water content /%	≤0.15
Color (Hazen)	≤20
Density /(g/cm³)	0.924
Acid value /(mgKOH/g)	≤0.1

Applications

• Working-solution solvent in the anthraquinone process for hydrogen peroxide
• Cold-resistant flame-retardant plasticizer for PVC, rubber and cellulose resins
• Extraction agent
• Additive in coatings

Packaging

180 kg/drum; 900 kg/IBC; ISO tank on request.

Storage

Store in tightly closed containers in a dry, clean and well-ventilated place, away from heat and direct sunlight.