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huanachemical on 27 Nov 20Polysorbate 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. It is an O/W emulsifier with an HLB value of 10.5. Polyoxyethylene sorbitan tristearate is soluble in ethanol, ethyl acetate, acetone, and can be dispersed in water.