Polysorbate 20, liquid

Supplier: MP Biomedicals
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0210316880 0210316890 0210316891
ICNA0210316880EA 32.8 GBP
ICNA0210316880 ICNA0210316890 ICNA0210316891
Polysorbate 20, liquid
Polysorbate 20

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).

Formula: C₅₈H₁₁₄O₂₆
Boiling Pt: >100 °C (lit.)
Density: 1.095 g/mL (lit.)
Storage Temperature: Ambient
MDL Number: MFCD00165986
CAS Number: 9005-64-5

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Specification Test Results

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

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