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Phosphoric Acid Esters
Ⅰ Chemical formula and molecular weight
●Chemical formula:C12H27O4P
●Molecular weight:266.32
●CAS No.:126-73-8
Ⅱ Properties and uses
●Colourless,odorless transparent oily liquid,flash point 170℃,b.p. 289℃,refractive index 1.4226（20℃）,viscosity 3.5～12.2 c.p.（20℃) ..
●Soluble in ethanol,and other common organic solvent. Soluble in the water slightly,the solubility in this article is 7%(25℃),but would gradually hydrolyze with the increase of the temperature.
●Extensively used as a plasticizer for the nitryl cellulose,acetic cellulose,chlorination rubber,PVC；Can be used as the solvent of the coating,bond,printing ink,froth suppressor,static inhibitor；Also can be used as the extracting agent of the rare metal,but the boiling point is low,the volatilization loss is big,the application on plasticizer is limited.
Ⅲ Quality standard
| Specification |
First Grade |
|
Colourity（Pt-Co）,code No. ≤ |
30 |
|
Acid value,mgKOH/g ≤ |
0.50 |
|
Density,g/cm3 |
0.980±0.004 |
|
Water content,% ≤ |
0.20 |
|
Refractive index（25℃） |
1.424±0.002 |
|
Water dissolved test |
Qualified |
Ⅳ Package and storage,safety
●Packed in plated plastic or polythene iron drum,net weight 200 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.
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