| Customization: | Available |
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| CAS No.: | 1338-41-6 |
| Formula: | N/a |
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Sorbitan monostearate, commonly known as Span 60, has the CAS number 1338-41-6. It is a non-ionic surface-active agent derived from natural fatty acids and the sugar alcohol sorbitol. This ester is a mixture of the mono and stearate esters of sorbitol and is widely used in the food, pharmaceutical, cosmetic, and industrial sectors as an emulsifier and stabilizer .
Span 60 is a light yellow to brown wax-like solid with a faint odor. It is practically insoluble in water, but it is soluble in hot oils, fatty acids, and various organic solvents. The compound exhibits excellent chemical stability under acidic and alkaline conditions and is compatible with non-ionic, most anionic, and cationic surfactants. It has properties such as emulsification, dispersion, thickening, lubrication, and rust prevention .
In the food industry, Span 60 is used as an emulsifier to stabilize mixtures of oil and water, which helps in the preparation of salad dressings, ice cream, and other products requiring a stable emulsion. It is also used in the pharmaceutical industry to create drug emulsions and as an excipient in tablet formulations .
In cosmetics, Span 60 is used to create stable formulations of creams, lotions, and other topical products. It helps to bind ingredients together and provide a smooth texture .
Span 60 is manufactured through a controlled esterification process between sorbitol and stearic acid, followed by purification to ensure a consistent and high-quality product
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