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Trioctyl Phosphate
Chemical formula and molecular weight
Chemical formulaC24H51O4P
Molecular weight434.64
CAS No.78-42-2
Properties and uses
Colourless,transparent oily liquid,b.p.2164mmHg,viscosity 14 c.p.20),refractive index 1.443420.
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.
Quality standard
| Specification | Super Grade |
| ColourityPt-Co,code No. ≤ | 20 |
Acid value,mgKOH/g ≤ | 0.10 |
Acid value,mgKOH/g ≤ | 0.924±0.003 |
ContentGC, ≥ | 99.0 |
Dioctyl phosphate contentGC,≤ | 0.10 |
Octanol contentGC, ≤ | 0.10 |
Flash point, ≥ | 192 |
Flash point, ≥ | 18.0 |
Water content, ≤ | 0.15 |
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
