Tri-iso-octyl Phosphate(TOP), 99%min.
Product name: Tri-iso-octyl Phosphate(TOP)
1 Chemical formula and molecular weight
Chemical formula:C24H51O4P
Molecular weight:434.64
CAS No.:78-42-2
2 Properties and uses
Colourless,transparent oily liquid,b.p200~250°C(5mmHg),viscosity 14 c.p.(20°C),refractive index 1.4434(20°C).
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.
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.
3 Quality standard
Specification | Standard | Test Method |
Colourity(Pt-Co),code No. ≤ | 30 | CB1664 |
Acid value,mgKOH/g ≤ | 0.15 | CB1668 |
Density,g/cm3 | 0.924±0.003 | CB1667 |
Content(GC),% ≥ | 99.0 | GC |
Flash point,°C ≥ | 190 | CB1671 |
Surface tension(20~25°C),mN/m≥ | 18.0 | CB5549 |
PPM ≤ | 2 | coulometry |
4 Package and storage,safety
Packed in 200 liter galvanized iron drum,net weight 180 kg/drum.
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
