Polysorbate 20, MP Biomedicals™

Catalog No.	Quantity
MP021947245	500 mL

Catalog No. MP021947245 Supplier MP Biomedicals, Inc Supplier No. 02194724.5

Description

Polysorbate 20 is typically used as an emulsifying agent for the preparation of stable oil-in-water emulsions.

Tweens™ are a series of nonionic surfactants derived from sorbitan esters.

• They are soluble or dispersible in water but differ widely in organic and oil solubilities.
• Used as oil-in-water emulsifiers in pharmaceuticals, cosmetics, cleaning compounds, etc.
• Polysorbate 20 is nonionic surfactants derived from sorbitan ester.

Specifications

Chemical Identifiers

• CAS: 9005-64-5
• Molecular Formula: (C2H4O)y(C2H4O)w(C2H4O)x(C2H4O)zC18H34O6
• Molecular Weight (g/mol): 522.68
• MDL Number: MFCD00165986
• InChI Key: HMFKFHLTUCJZJO-UHFFFAOYNA-N
• Synonym: tween 20, polysorbate 20, polyoxyethylene sorbitan monolaurate, polyoxyethylene 20 sorbitan monolaurate, polysorbate inn, 2-2-3,4-bis 2-hydroxyethoxy oxolan-2-yl-2-2-hydroxyethoxy ethoxy ethyl dodecanoate, alkest tw 20, polysorbate 20 nf, polysorbate 40 nf
• PubChem CID: 443314
• IUPAC Name: 2-[2-[3,4-bis(2-hydroxyethoxy)oxolan-2-yl]-2-(2-hydroxyethoxy)ethoxy]ethyl dodecanoate
• SMILES: CCCCCCCCCCCC(=O)OCCOCC(OCCO)C1OCC(OCCO)C1OCCO

• Density: 1.095g/mL
• Quantity: 500 mL
• Physical Form: Clear, Yellow to Amber Viscous Liquid
• Refractive Index: n20/D 1.468(lit.)
• Specific Gravity: 1.08–1.13
• Viscosity: 400 cps
• Solubility Information: Soluble/miscible in water to give a clear yellow solution; miscible with alcohol, dioxane, and ethyl acetate.
• Formula Weight: about 1,228g/mol
• Grade: Cell Culture Reagent
• Concentration or Composition (by Analyte or Components): CriticalMicelle Concentration (CMC) 0.06 mM

Safety and Handling

Recommended Storage

Store at Room Temperature (15–30°C)

WARNING: Reproductive Harm - www.P65Warnings.ca.gov