[02103168-CF] CAS 9005-64-5 | Polysorbate 20 | MP bio
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Polysorbate 20
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02103168-CF | CAS 9005-64-5 | Polysorbate 20 | MPBIO
Key Features and Details
Polysorbate 20
| SKU | 02103168-CF |
| Alternate Names | Polysorbate 20; Polyoxyethylene (20) Sorbitan Monolaurate; Glycosperse L-20X; Polyethylene glycol sorbitan monolaurate; Polyoxyethylenesorbitan monolaurate; TWEEN® 20; PEG(20)sorbitan monolaurate |
| 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 has been used in pre-extraction of membranes to remove peripheral proteins. It has been used as a blocking agent on nitrocellulose. |
| Base Catalog Number | 103168 |
| CAS # | 9005-64-5 |
| Critical Micelle Concentration | 0.06 mM |
| Format | Liquid |
| Molecular Weight | 522.676 g/mol |
| Personal Protective Equipment | Eyeshields, Gloves |
| Refractive Index | n20/D 1.468(Lit.) |
| 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 |
| Specific Gravity | 1.08 – 1.13 |
| Sterilization of Solutions | Autoclaving of solutions is not recommended. Sterile filtering is suggested with a 0.22 micron filter. Tween® may need to be warmed to about 40 °C and alternated with portions of hot distilled water while being poured through the filter. |
| Typical 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. |
| Usage Statement | Unless specified otherwise, MP Biomedical’s products are for research or further manufacturing use only, not for direct human use. For more information, please contact our customer service department. |
