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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, the tweens surfactant should be protected from rain and moisture. It should be stored separately from toxic substances.
