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. Polyoxyethylene sorbitan tristearate is soluble in ethanol, ethyl acetate, acetone, and can be dispersed in water.

· CAS NO.: 9005-71-4

· · E NO.: E436

· · MOLECULAR FORMULA: C100H194O28

· · MOLECULAR WEIGHT: 1844.59

According to Q/GDRH 013-2020, other parameters are available upon request.

Parameters Unit Standard value

Acid value mg KOH/g ≤2.0

Saponification value mg KOH/g 88~98

Hydroxyl value mg KOH/g 44~60

Moisture w/% ≤3.0

Advantages of Polysorbate 65

Polysorbate 65 act as an emulsifier and stabilizer in industrial products formulations 

Can be used in industry



Guangdong Huana Chemistry Co., Ltd. is a professional global chemical engineering company based in China.Contact us to buy span sorbitan.