zwitterionic surfactant, also known as STO, is synthesized by the esterification of sorbitan with oleic acid. It has a molecular formula of C60H108O8. 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. CAS NO.: 26266-58-0 MOLECULAR FORMULA: C60H108O8 MOLECULAR WEIGHT: 957.46 Advantages of Sorbitan Trioleate Sorbitan trioleate span 85 is widely used in cosmetic products, personal care products, and industrial products Can be used in cosmetic, pharmaceutical and industry Instructions on Use and Storage Storage Store in a cool, dry place in tightly sealed packages, away from heat and light Transportation Transport as non-dangerous goods Shelf Life 1 year. Packaging and Shipment 25kg/drum, 200kg/drum and 900kg/drum (special packaging is available upon request)�  Shipment 7-14 days after receiving payment Port Guangzhou, Shenzhen, Shanghai, Qingdao, etc. For more information about 26266 58 0 and span 85 surfactant, please feel free to contact us! Guangdong huana Chemistry Co., Ltd. is a professional global chemical engineering company based in China.Contact us to buy polysorbate.