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Polysorbate 20 - 80
TWEEN 20 is a frequently used member of the polysorbate family. These have been used as emulsifying agents for the preparation of stable oil-in-water emulsions
|
Boiling point |
>100 °C |
|
Density |
1.1 g/cm3 (25 °C) |
|
Flash point |
275 °C |
|
Melting Point |
98.9 °C |
|
pH value |
6 - 8 (50 g/l, H₂O, 20 °C) |
|
Vapor pressure |
<1.4 hPa (20 °C) |
|
Solubility |
<0.2 mg/l soluble |
