POE (20) sorbitan monooleate; Polyethylene glycol sorbitan monooleate; Polyoxyethylenesorbitan monooleate; Polysorbate 80
TWEEN® 80 is a polysorbate surfactant which helps in stabilizing proteins and in protein membrane studies. It is regularly used for the extraction of membrane proteins and isolation of nuclei from cells.
Synonyms
POE (20) sorbitan monooleate; Polyethylene glycol sorbitan monooleate; Polyoxyethylenesorbitan monooleate; Polysorbate 80
Appearance
Yellow-golden yellow, viscous liquid
Hydroxyl Number
65-80 KOH/g
Specific Gravity
1.06-1.09
Saponification Value
45-55
Residue on Ignition
≤0.25%
RNase, DNase, Protease
None Detected
Storage and Stability
Store at RT. Stable for 12 months after receipt.
Important Note
This product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications without the expressed written authorization of United States Biological.
Toxicity and Hazards
All products should be handled by qualified personnel only, trained in laboratory procedures.
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