English abbreviation: DOS
CAS RN: 122-62-3
1. Physical chemical properties:
1.1 Molecular formula: C26H50O4
1.2 Molecular weight: 426.68
1.3 Structure formula:
1.4 Melting point: -67℃
1.5 Boiling point: 212℃
1.6 Specific gravity: 0.914
1.7 Flash point: 215℃
1.8 Solubility: Insoluble in water. But dissolved in acetone, ether, ethanol.
1.9 Refractive index: 1.450-1.455.
1.10 Stability and reactivity: Stable at normal temperature and pressure conditions. It will burn when meeting with strong oxidizer.
2. Technical indexes:
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Item |
Index |
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Premium |
First Grade |
Qualified |
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|
Appearance |
Transparent oil liquid, No visible impurity |
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Colority (Pt-Co), number |
≤20 |
≤30 |
≤60 |
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Purity, % |
≥99.5 |
≥99.0 |
≥99.0 |
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Density (20℃) , g/cm3 |
0.913-0.917 |
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Acidity, (mgKOH/g) |
≤0.04 |
≤0.07 |
≤0.10 |
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Moisture, %(m/m) |
≤0.05 |
≤0.1 |
|
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Flash point, (open cup)/ ℃ |
≥215 |
≥210 |
≥205 |
3.Application:
①PVC plastic:Brittle temperature can reach -60 ℃.
②Synthetic rubber and elastomers:Plasticization/softening to enhance low-temperature elasticity, rebound, and flexural resistance.
③Coatings, inks, adhesives:Good low-temperature film-forming, anti cracking, weather resistance;Low temperature flexibility and strong adhesion.
④Lubricating oil and grease (special synthetic oil):Low pour point (below -55 ℃), high temperature resistance, good oxidation stability, and excellent lubricity.
4. Packing: Available in 200-liter close head plastic drum, Net weight: 180 kg/drum.
5. Storage: Stored in a cool, ventilated place.
6.Shelf life: 12 months.
7. Transportation: Avoid rain, heat and sun exposure and collision. Keep away from the strong oxidizers.
