Polysorbate 20

Polysorbate 20

Synonyms Polyoxyethylenesorbitan monolaurate;Polysorbatum 20;Tween® 20

CAS Number: 9005-64-5 Molecular Weight: 522.676 g/mol

MDL Number: MFCD00165986

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SKU 02194724-CF
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Description

Product Description

Polysorbate 20

Application Notes

Polysorbate 20 is typically used as an emulsifying agent for the preparation of stable oil-in-water emulsions, particularly in pharmaceutical applications. It is also used in pre-extraction of membranes to remove peripheral proteins & as a blocking agent on nitrocellulose at a typical concentration of 0.05%.

Usage Statement

Research Use Only (RUO). Unless otherwise stated in our catalog or other company documentation accompanying the product(s), our products are intended for research use only and are not to be used for any other purpose, which includes but is not limited to, unauthorized commercial uses, in vitro diagnostic uses, ex vivo or in vivo therapeutic uses or any type of consumption or application to humans or animals.

Key Applications

Emulsifying agent

Specifications
SKU 02194724-CF
Alternate Names Polyoxyethylenesorbitan monolaurate;Polysorbatum 20;Tween® 20
Application Notes Polysorbate 20 is typically used as an emulsifying agent for the preparation of stable oil-in-water emulsions, particularly in pharmaceutical applications. It is also used in pre-extraction of membranes to remove peripheral proteins & as a blocking agent on nitrocellulose at a typical concentration of 0.05%.
Critical Micelle Concentration 0.06 mM
Grade cell culture reagent
Applications Emulsifying agent
MDL # MFCD00165986
Molecular Weight 522.676 g/mol
Optical Rotation 40 - 50
Physical Appearance Clear; Yellow to Amber Viscous Liquid
Product Families Description Polysorbate 20
Product Overview Polysorbate 20
RTECS Number TR7400000
Solubility Soluble in <a class="pubchem-internal-link CID-962" href="https://pubchem.ncbi.nlm.nih.gov/compound/water">water</a>, <a class="pubchem-internal-link CID-702" href="https://pubchem.ncbi.nlm.nih.gov/compound/ethanol">ethanol</a>, <a class="pubchem-internal-link CID-887" href="https://pubchem.ncbi.nlm.nih.gov/compound/methanol">methanol</a>, <a class="pubchem-internal-link CID-8857" href="https://pubchem.ncbi.nlm.nih.gov/compound/ethyl%20acetate">ethyl acetate</a> and <a class="pubchem-internal-link CID-31275" href="https://pubchem.ncbi.nlm.nih.gov/compound/dioxane">dioxane</a>. Insoluble in mineral oil and petroleum ether
Source Soluble/miscible in water to give a clear yellow solution; miscible with alcohol; dioxane; and ethyl acetate.
Specific Gravity 1.08 - 1.13
Storage and Handling Room Temperature
Usage Statement Research Use Only (RUO). Unless otherwise stated in our catalog or other company documentation accompanying the product(s), our products are intended for research use only and are not to be used for any other purpose, which includes but is not limited to, unauthorized commercial uses, in vitro diagnostic uses, ex vivo or in vivo therapeutic uses or any type of consumption or application to humans or animals.