Tri-iso-octyl Phosphate(TOP)

(1) It is now chiefly used as a processing solvent,instead of hydroterpineol,for producing hydrogen peroxide by anthraquinone process. It is an ideal solvent in this process,for its low volatility and good extraction distribution coefficient.(2) It is also a cold-resisting and fire-retarding plasticizer applied in ethylenic and cellulosic resins,synthetic rubbers. The cold resisting property is superior to adipate esters.

key word:

Tri-iso-octyl Phosphate(TOP)

Classification:

Product Description

■ CAS No:78-42-2

■ Molecular formula:C24H51O4P

■ Molecular weight:434.64 (International Atomic Weight Table,1987)

■ Molecular structure:

 

Tri-iso-octyl Phosphate(TOP)

 

■ Properties:transparent oily liquid,b.p.216℃(4mmHg).
■ Uses:
(1) It is now chiefly used as a processing solvent,instead of hydroterpineol,for producing hydrogen peroxide by anthraquinone process. It is an ideal solvent in this process,for its low volatility and good extraction distribution coefficient.
(2) It is also a cold-resisting and fire-retarding plasticizer applied in ethylenic and cellulosic resins,synthetic rubbers. The cold resisting property is superior to adipate esters.

■ Package:180kg /iron drum net each,1000L/IBC drum.

■ Storage and transportation:

Stored at dry,shady,ventilated place. Prevented from collision and sunrays,rain-attack during handling and shipping.
Met the high hot and clear fire or contact the oxidizing agent,caused the burning danger.

■ Quality index:

Item

Premium grade

Industrial Grade

Appearance

Transparent, oily liquid with no visible impurities

Content (GC),% 

≥99.0

≥99.0

Dioctyl phosphate content (GC),% 

≤0.1

≤0.2

Octanol content (GC),%

≤0.1

≤0.15

Surface tension,mN/m (20~25℃)

≥18

≥18

Acid value,mgKOH/g 

≤0.1

≤0.2

Colourity(Pt-Co)

≤20

≤30

Density,g/mL

0.921~0.927

0.921~0.927

Water content,%

≤0.1

≤0.2

Viscosity (cp)25℃mm2/s

≤14

≤20

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