Product name: Tween 80 (Polysorbate 80) - Food/Industrial/Cosmetic/Pharmaceutical grade
CAS‑No.: 9005‑65‑6
EC‑No.: 500‑019‑9
Synonyms: Polyoxyethylene (20) sorbitan monooleate, PS‑80
Average Molecular Weight: 1310 g/mol
HLB value: 15
1. Physico‑Chemical Properties
Density @25℃ 1.06‑1.09 g/cm³
Flash Point >149 ℃ (closed cup)
Viscosity @25℃ 375‑480 mPa·s
Solubility Miscible with water, ethanol, isopropanol; insoluble in mineral oil
Stability Stable under normal conditions. Incompatible with strong oxidizing agents.
2. Product Specification (Industrial / Food / Cosmetic /Pharmaceutical Grade)
| Item | Specification |
|---|---|
| Appearance | Yellow to amber viscous oily liquid |
| Acid Value | ≤2.0 mgKOH/g |
| Saponification Value | 45‑55 mgKOH/g |
| Hydroxyl Value | 65‑80 mgKOH/g |
| Iodine Value | 18‑24 gI₂/100g |
| Water Content | ≤3.0 % |
| pH value (5% aqueous solution) | 5.0‑7.0 |
| Residue on Ignition | ≤0.2 % |
3. Main Applications
Non‑ionic emulsifier, solubilizer, dispersant and wetting agent.
Widely used in food, cosmetics, pharmaceutical industry.
Used in agrochemicals, textile, paints & coatings as auxiliary surfactant.
4. Storage & Handling
Store in cool, dry and well‑ventilated place. Keep container tightly sealed.
Avoid direct sunlight and high temperature.
Shelf‑life: 24 months in original sealed packaging.
5. Packaging
220 kg iron drum / IBC tote tank.
Disclaimer: This Technical Data Sheet is for reference only. Actual values shall be subject to batch‑specific Certificate of Analysis. Please refer to Safety Data Sheet for safety‑related information.Polysorbate 20 (polyoxyethylene (20) sorbitan monolaurate) CAS 9005-64-5
Polysorbate 40 (polyoxyethylene (20) sorbitan monopalmitate) CAS 9005-66-7
Polysorbate 60 (polyoxyethylene (20) sorbitan monostearate) CAS 9005-67-8
Polysorbate 80 (polyoxyethylene (20) sorbitan monooleate) CAS 9005-65-6(The number 20 following the 'polyoxyethylene' part refers to the total number of oxyethylene -(CH2CH2O)- groups found in the molecule. The number following the 'polysorbate' part is related to the type of fatty acid associated with the polyoxyethylene sorbitan part of the molecule. Monolaurateis indicated by 20, monopalmitate is indicated by 40, monostearate by 60, and monooleate by 80.)
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