Polysorbate 65, also known as polyoxyethylene (20) sorbitan tristearate, consists of sorbitol, ethylene oxide, and stearic acid. It has a molecular formula of C100H194O28. At room temperature, it is in the form of yellow viscous liquid or paste. Polysorbate 65 is an O/W emulsifier with an HLB value of 10.5.
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