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1. Chemical Name: POLYSIRBATE 80/TWEEN 80
2. Molecular Formula: C24H44O6(C2H4O)n
3. Molecular Weight: Mw ~ 1309.66
4. CAS: 9005-65-6
5. Properties: Polysorbate 80, also known as Tween 80, is a nonionic surfactant and emulsifier. Its chemical formula is CHO₆(C₂H₄O)ₙ. It is soluble in water, ethanol, methanol, or ethyl acetate, but has poor solubility in mineral oil. The substance is a pale yellow to orange-yellow viscous liquid with a characteristic oily odor and a slight bitter taste.
| Item | SPEC | Indicator SPEC. | Result | ||
| Exterior | appearance | Light yellow to orange viscous liquid | OK | ||
| solubility | solubleness | Easily soluble in water, ethanol, methanol or ethyl acetate | OK | ||
| Relative density | relative density | 20℃, 1.06-1.09 | 1.079 | ||
| viscosity | viscosity | 25℃, 350-550mm²/s | 401mm²/s | ||
| Acid value | acid value | ≤2 | 0.9 | ||
| Hydroxyl value | hydroxyl value | 65-80 | 72 | ||
| Iodine value | iodine number | 18-24 | 22 | ||
| POV | peroxide value | ≤10 | 2 | ||
| Saponification value | saponification value | 45-55 | 48 | ||
| pH | pH value | 5.0-7.5 | 6.1 | ||
| Ethylene glycol and diethylene glycol | Ethylene glycol and diethylene glycol | ≤0.01% | ok | ||
| Moisture | moisture | ≤3.0% | 2.10% | ||
| Residue on ignition | residue on ignition | ≤0.20% | 0.04% | ||
| heavy metal | heavy metal | ≤10% | ok | ||
| result | result | PASS | |||
| Remark | |||||
Polysorbate 80 is a widely used nonionic surfactant due to its excellent properties. It finds applications in various fields.
Plastic bottles and plastic drums.
It should be stored in a dry, well-ventilated, and clean warehouse, handled with care to avoid moisture and heat. During transportation, it should be protected from rain and moisture. It should be stored separately from toxic substances.
