CAS：298-07-7
Molecular formula: (C8H17O)2PO2H
Molecular weight: 322.42
1. Properties: This product is a yellowish transparent oily liquid, soluble in alcohol and other organic solvents, freezing point -60 °C.
2. Specifications:
| Name | Chemical Pure | Export Grade | Excellent Grade | Industrial Product |
| Content% | ≥97.0 | ≥95.0 | ≥93.0 | ≥90.0 |
| Phosphoric acid-octyl ester% | ≤1.5 | ≤2.0 | ≤2.5 | ≤2.7 |
| Color (Pt-Co) | ≤100 | ≤100 | ≤150 | ≤200 |
| Split phase velocity (sec) | ≤60 | ≤100 | ≤150 | ≤180 |
| Acid value (mgkoH/g） | 150-189 | 159-189 | 159-189 | -- |
| Density（20℃）g/ml | 0.9740-0.9780 | 0.9736-0.9756 | 0.9715-0.9735 | -- |
| Viscosityμ20CPS | 42±3 | 42±3 | 42±5 | -- |
| Flash point (open cup) | ≥190 | ≥160 | ≥150 | -- |
| Refractive index（N20D） | 1.4435-1.4448 | 1.4434-1.4444 | 1.4430-1.4440 | -- |
3. Uses: This product is widely used in the extraction and separation of non-ferrous metals (including cobalt, nickel, gold, copper, indium, etc.) and rare earths, and can also be used in pharmaceutical, printing and dyeing, petrochemical wastewater treatment and other industries, and can also be used as raw materials for wetting agents and surfactants.
4. Packing: 1000kg/IBC barrel 200Kg plastic drum
5. Storage and transportation: carefully and gently handle during transportation to prevent impact. Store in a cool, ventilated and dry warehouse, pay attention to fire and rain.