What's Polysorbate 65?

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.

Main applications:

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:

CAS:9005-71-4

Apperance：amber oily viscous liquid

Density：unknown

Relative density：unknown

Melting point：about 30 ºC

Boiling point：unknown

Flash point：>120°C （Closed cup）

Inflammability (solid, gas)：unknown

Vapor pressure：<1.33hPa

Vapor density ：unknown

Molecular Formula ：C100H194O28

Molecular weight：1842g/mol

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