Polysorbate 20, liquid
Polysorbate 20 is nonionic surfactant derived from sorbitan ester.
- Refractive Index: n20/D 1.468(Lit.)
- Viscosity: 400 cps at 25 °C.(Lit.)
- Critical Micelle Concentration (CMC): 0.06mM
Polysorbate 20 is typically used as an emulsifying agent for the preparation of stable oil-in-water emulsions, particularly in pharmaceutical applications. It has been used in pre-extraction of membranes to remove peripheral proteins. It has been used as a blocking agent on nitrocellulose.
Caution: Research Use Only (RUO).
- :9005-64-5
- :C₅₈H₁₁₄O₂₆
- :MFCD00165986
- :>100 °C (lit.)
- :1.095 g/mL (lit.)
- :Ambient
- Identity Test A:Passes
- Identity Test B:Passes
- FTIR:Conforms to Reference
- Solubility (1g/20mL):Clear, Foamy Solution
- Specific Gravity:1.08-1.113
- Water Content:≤3%
- Saponification Number:40-50
- Pk:100 mL
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