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Polysorbate 20, MP Biomedicals™

Catalog Number 11470645
786.54 SEK valid until 2024-09-17
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Quantity:
1 L
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Description

Derived from sorbitan ester. Polysorbate 20, MP Biomedicals is a nonionic surfactant that is soluble/dispersable in water. It is typically used for the preparation of stable oil-in-water emulsions, particularly in pharmaceutical applications.

Used as oil-in-water emulsifiers in pharmaceuticals, cosmetics, cleaning compounds, etc. It has been used in pre-extraction of membranes to remove peripheral proteins. It has been used as a blocking agent on nitrocellulose.

CAS 9005-64-5
Physical Form Liquid
Boiling Point >100°C (literature)
Density 1.095g/mL (Lit.)
Molecular Formula (C2H4O)y(C2H4O)w(C2H4O)x(C2H4O)zC18H34O6
Concentration Working Concentration: As a blocking agent on nitrocellulose at a typical concentration of 0.05%. Used at concentration of 2% for extraction of membrane-bound proteins.
MDL Number MFCD00165986
pH 5 to 7 (1% aq. soln.) (literature)
Quantity 1 L
Synonym Polysorbate 20, Polyoxyethylene (20) Sorbitan Monolaurate, Glycosperse L-20X, Polyethylene glycol sorbitan monolaurate, Polyoxyethylenesorbitan monolaurate, TWEEN™, 20, PEG(20)sorbitan monolaurate
Solubility Information Soluble/miscible in water (1g/20 mL) to give a clear yellow solution; miscible with alcohol, dioxane, and ethyl acetate; practically insoluble in liquid paraffin and fixed oils (such as mineral oil).
InChI Key HMFKFHLTUCJZJO-UHFFFAOYNA-N
SMILES CCCCCCCCCCCC(=O)OCCOCC(OCCO)C1OCC(OCCO)C1OCCO
IUPAC Name 2-[2-[3,4-bis(2-hydroxyethoxy)oxolan-2-yl]-2-(2-hydroxyethoxy)ethoxy]ethyl dodecanoate
Molecular Weight (g/mol) 522.68
PubChem CID 443314
Formula Weight 1228
Concentration or Composition (by Analyte or Components) 0.06mM
Refractive Index n20/D 1.468 (Lit.)
Specific Gravity 1.08-1.13
Viscosity 400 cps at 25°C (Lit.)
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