Tween® 85 (Polysorbate), liquid
Supplier: MP BIOMEDICALS (FKA ICN BIOMED
Synonyms:
Polyoxyethylenesorbitan Trioleate
Soluble/miscible in water 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). Autoclaving of solutions is not recommended. Sterile filtering is suggested with a 0.22 micron filter.
Saponification Value 83-93; Acid Value 0-2.0 ; Hydroxyl Value 39-52
Tween® 80 has been widely used in biochemical applications including: solubilizing proteins, isolating nuclei from cells in culture, selective protein extraction, growing of tubercule bacilli, and emulsifying and dispersing substances in medicinal and food products. It has little or no activity as an anti-bacterial agent. It has been shown to have an adverse effect on the antibacterial effect of methyl paraben and related compounds.
MDL Number:
MFCD01779641 CAS Number: 9005-70-3 |
Specification Test Results
Synonyms | Polyoxyethylenesorbitan Trioleate |
Concentration | ~70% oleic acid (remainder primarily elaidic, linolenic and palmitic acids) |
Form | Clear Viscous Yellow Liquid |
Storage | Store at Room Temperature (15-30 °C). |
Specific Activity | ~1.0 g/mL |
Viscosity | 300 cps (at 25°C) |
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