Polysorbate 65 is also known as polyoxyethylene sorbitan tristearate, dehydrated sorbitan tristearate polyoxyethylene ether, T-65 emulsifier.
Polysorbate 65 is produced in the addition reaction between sorbitan tristearate and ethylene oxide with sodium hydroxide as the catalyst.
It can be used as emulsifier, stabilizer, wetting agent, diffusion agent, permeability agent, etc.
It is mainly used as oil-in-water emulsifier for creams and lotion cosmetics, as well as thickening agent.
It can be used as wetting agent, paraffin inhibitor for oil field.
Physical and Chemical Properties:
Apperance：amber oily viscous liquid
Melting point：about 30 ºC
Flash point：>120°C （Closed cup）
Inflammability (solid, gas)：unknown
Vapor density ：unknown
Molecular Formula ：C100H194O28
Partition coefficient; n-octanol/water ：unknown
Upper explosion limit (%)：unknown
Lower explosion limit (%)：unknown
Solubility：Soluble in ethanol and ethyl acetate. Slightly soluble in mineral oil and vegetable oil. Can be dispersed in warm water