Polysorbate 80 (Tween 80, E433)
CAS 9005-65-6
C₆₄H₁₂₄O₂₆ (approx.)
Chemicals
MW: ~1310 g/mol
Physical & Chemical Specifications
| Property | Specification | Test Method |
| Assay (GC) | ≥ 97.0% | GC |
| Appearance | Yellow viscous oily liquid | Visual |
| Color (Gardner) | ≤ 6 | ASTM D1544 |
| HLB Value | 15.0 ± 1.0 | Davies method |
| Viscosity (25°C) | 300–500 mPa·s | Brookfield LV |
| Acid Value | ≤ 2.0 mg KOH/g | Titration |
| Saponification Value | 45–55 mg KOH/g | Titration |
| Hydroxyl Value | 65–80 mg KOH/g | Titration |
| Water Content (KF) | ≤ 3.0% | Karl Fischer |
| Heavy Metals (Pb) | ≤ 5 ppm | ICP-MS |
Typical Applications
- Food emulsifier (FDA 21 CFR §172.840, EU E433)
- Cosmetic & personal care – solubilizer, emulsifier
- Pharmaceutical excipient (injectable, oral)
- Vitamin & essential oil solubilizer
- Industrial emulsification & dispersion agent
Packaging
25 kg / 200 kg HDPE drums; 1,000 kg IBC
Storage & Shelf Life
Store below 25°C, sealed, away from light. Shelf life: 24 months.
All values are typical and may vary by lot. This TDS does not constitute a warranty.
Contact TKNCO for lot-specific Certificate of Analysis (COA).