TW 20, also known as Polysorbate 20, is a non-ionic surfactant and emulsifier derived from the ethoxylation of sorbitan monooleate. It appears as a viscous, amber-colored liquid with a faint, characteristic odor. TW 20 is widely utilized for its excellent emulsifying, solubilizing, and stabilizing properties, making it suitable for various applications in pharmaceuticals, food, cosmetics, and industrial formulations.
Appearance: yellow clear oily liquid
Molecular Weight: 346.46 g/mol
SPECIFIC GRAVITY: 1.095–1.105 at 25°C
Viscosity: 300–400 cPs at 25°C
pH (1% solution): 6.0
(HLB) Value: Approximately 16.7
Solubility: Soluble in water, ethanol, methanol, ethyl acetate; practically insoluble in mineral oil
Saponification Value: 40–50 mg KOH/g
Acid Value: ≤ 2.0 mg KOH/g
Hydroxyl Value: 96–108 mg KOH/g
Color: 5 max
Heavy metal: 10 MAX PPM
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