Huana's products are widely used in food ingredients.Sorbitan monostearate, also known as sorbitan stearate/SMS, is synthesized by the esterification of sorbitan with stearic acid. It has a molecular formula of . At room temperature, this  is in the form of a pale-yellow to yellow granular solid. It has a sorbitan monostearate HLB value of 4.7. It has extensive uses such as, keeps moisture of yeasts; enhances oil-water dispersion stability; emulsifies and stabilizes in cosmetic, pharmaceutical, feeds, coating, textile formulations. It is commonly used in combination with polysorbate 60.Sorbitan trioleate, also known as STO, is synthesized by the esterification of sorbitan with oleic acid. It has a molecular formula of . At room temperature, it is in the form of a pale-yellow viscous liquid. It is a W/O emulsifier with an HLB value of 1.8. It is soluble in mineral and vegetable oil. Its functions include emulsification for cosmetics and personal care products; lubrication, dispersant, and softener for textiles; and anti-rusting for oil extraction.Polysorbate 61, also known as polyoxyethylene (4) sorbitan monostearate consists of sorbitol, ethylene oxide, and stearic acid. It has a molecular formula of . At room temperature, it is in the form of pale-yellow to amber-colored oily liquid or paste. It is an O/W emulsifier with an HLB value of 9.6. It is soluble in ethanol, ethyl acetate, and toluene. It can also be dispersed in water. 

Guangdong Huana Chemistry Co., Ltd. is a professional global chemical engineering company based in China. We provide sorbitan in food, polysorbate ingredients, non ionic surfactant, ethoxylated sorbitol and etc. Want know nonionic surfactant list or sorbitan trioleate usesmore? Please contact us.