Sorbitan Tristearate (E492), also known as Span 65 as well as STS, is a nonionic surfactant used as an emulsifier and stabilizer in food.
Sorbitan Tristearate is produced by direct esterification of Sorbitol (a sugar alcohol) with stearic acid (a saturated fatty acid). Unlike Sorbitan Monostearate, which has one stearic acid molecule attached, Sorbitan Tristearate has three stearic acid molecules linked to the Sorbitan Molecule. The final product is a mixture of partial esters of sorbitol and its anhydrides with edible stearic acid.
|
Model |
Name |
Aspect |
Acid Value |
Saponification Value |
Hydroxy Value () |
HLB Value |
|
S20 |
Sorbitan Monolaurate |
Paste |
≤7.0 |
155~170 |
330~360 |
8.6 |
|
S40 |
Sorbitan Monopalmitate |
Bead or Powder |
≤7.0 |
140~155 |
270~305 |
6.7 |
|
S60 |
Sorbitan Monostearate |
Bead or Powder |
≤10.0 |
147~157 |
235~260 |
4.7 |
|
S65 |
Sorbitan Tristearate |
Bead or Powder |
≤15.0 |
176~188 |
66~80 |
2.1 |
|
S80 |
Sorbitan Monooleate |
Oily Liquid |
≤8.0 |
145~160 |
193~210 |
4.3 |
|
S83 |
Sorbitan Sesquioleate |
Oily Liquid |
≤14.0 |
143~165 |
182~220 |
3.7 |
|
S85 |
Sorbitan Trioleate |
Oily Liquid |
≤15.0 |
165~180 |
60~80 |
1.8 |
In the food industry, Sorbitan Tristearate is often used to thicken and stabilize high-fat mixtures such as cream, ice cream, and other dairy products. Its emulsifying properties also make it a popular ingredient in baked goods, processed meats, and snack foods. Sorbitan Tristearate is considered safe for human consumption by various regulatory authorities and has no known negative health effects.
Main Functions:
Anti-Bloom Agent in Chocolates: Sorbitan tristearate helps retard fat bloom in chocolates. Fat bloom is the migration of fat to the chocolate surface, causing a whitish appearance.
Cloudiness Prevention in Cooking Oils: It prevents cloudy appearance in cooking oils.
Texture Enhancement: When used in margarine, shortenings, and cooking oils, it contributes to an appealing texture.
Color and Gloss Maintenance in Chocolates: In chocolates, it maintains color and gloss.
Emulsification: Sorbitan tristearate acts as a water-in-oil (W/O) emulsifier.
In the cosmetic industry, Sorbitan Tristearate is used in formulations for creams, lotions, and other skincare products as a thickening agent and emulsifier. It provides a smooth texture to the products and makes it easier to spread on the skin.
1. In Food Industry:
- Bakery Products.
- Toppings and coatings.
- Fat Emulsions (e.g. spreads)
- Desserts.
- Jam, Jellies, and marmalades.
- Cocoa and chocolate products.
- Candies.
2. In Cosmetic Industry:
- Creams, lotions, and other skincare products
- 25kg Kraft bag
7-15 working days after deposit.
- Preserved dry at room temperature, away from light.
- Avoid mixing with poisonous, peculiar smell and colored powder.
For a copy of Sorbitan Tristearate MSDS, please email us at sales@ambitionchems.com
