Technical Data Sheet
Doc No: TDS-CH-002  |  Rev: 01
Issued: 2026-06-01  |  Page 1 of 1

Polysorbate 80 (Tween 80, E433)

CAS 9005-65-6 C₆₄H₁₂₄O₂₆ (approx.) Chemicals MW: ~1310 g/mol

Physical & Chemical Specifications

PropertySpecificationTest Method
Assay (GC)≥ 97.0%GC
AppearanceYellow viscous oily liquidVisual
Color (Gardner)≤ 6ASTM D1544
HLB Value15.0 ± 1.0Davies method
Viscosity (25°C)300–500 mPa·sBrookfield LV
Acid Value≤ 2.0 mg KOH/gTitration
Saponification Value45–55 mg KOH/gTitration
Hydroxyl Value65–80 mg KOH/gTitration
Water Content (KF)≤ 3.0%Karl Fischer
Heavy Metals (Pb)≤ 5 ppmICP-MS

Typical Applications

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).