Plasticizer Dibutyl Sebacate DBS CAS 109-43-3
Executive standard: GJB 755-89
English abbreviation: DBS
CAS RN：109-43-3
1. Physical chemical properties：
1.1 Molecular formula: C18H34O4
1.2 Molecular weight: 314.46
1.3 Melting point: -12℃
1.4 Boiling point: 180℃
1.5 Specific gravity：0.9400
1.6 Flash point: 167℃
1.7 Solubility: Insoluble in water, but dissolved in acetone, ether, ethanol.
1.8 Stability and reactivity: Stable at normal temperature and pressure conditions. It will burn when meeting with any strong oxidant.
2. Technical indexes:
| Item | Index |
| Colority (Pt-Co) , number | ≤40 |
| Acidity (in adipic acid ), %(m/m) | ≤0.05 |
| Saponification value (mg OH/g sample) | 352-360 |
| Refractive index , nD25 | 1.4385-1.4405 |
| Moisture , %(m/m) | ≤0.15 |
| Appearance | light-yellow transparent liquid |
DBS has been used as a typical cold-resistance plasticizer, with good cryogenic performance and plastifying efficiency for the application of plastic, PVC, rubber, cable and the lubricant of the jet engine.
Packing: Available in 200L galvanized iron drum, net weight :190 kg/drum.
Storage: Stored in a cool, ventilated place. Casks should be sealed with nitrogen. Avoid heat and exposure. The shelf life is 12 months after manufacturer date. It is still available if retest result is qualified after expire date.
Transportation: Avoid water and exposure during transportation. Keep away from the strong oxidizer.
