Sorbitan Tristearate

sorbitan tristearate, also known as STs, is synthesized by the esterification ofsorbitan with stearic acid. lt has a molecular formula of C6oH2Os.At roomtemperature, it is in the form of a white to yellow granular solid. lt has an HLBvalue of 2.1, which is fairly lipophilic.As a food additive,sorbitan tristearatecan reduce the turbidity of vegetable oil containing high saturated fattyacids. It can also improve the fat crystal structure and stability in chocolateand margarine.In addition, it acts as an emulsifier in the cosmetic industryand as a lubricant in the textile industry.

CAS NO.: 26658-19-5

E NO.: E492

MOLECULAR FORMULA: C

MOLECULAR WEIGHT: 963.51

Technical lnformation of Sorbitan Tristearate

According to GB29220-2012, other parameters are available upon request.

Parameters

Unit

standard value

Fatty acid

w/%

85~92

sorbitol

w/%

14~21

Acid value

mg KoH/g

≤15

saponification value

mg KoH/g

176~188

Hydroxyl value

mg KoH/g

66~80

Moisture

w/%

≤1.5

Residue on ignition

w/%

≤0.5

Pb

mg/kg

≤2

Advantages of Sorbitan Tristearate

wide range of applications; very useful as emulsifiers in food formulation and has multiple functions asfood additives

can disperse in in petroleum ether, mineral oil, and vegetable oilcan be used in food and industry