CAS No.: 9005-70-3 Molecular Formula: C100H188O28 Property: Tween 85 is amber oily viscose liquid; non-toxic and odorless. Its relative density is 1.00¡«1.05 and HLB value 11.0. Tween 85 is soluble in water, dilute acid/alkalis and most organic solvents, and insoluble in acetone and polyethylene glycol. Usage: Tween 85 is used as emulsifier, solubilizer, stabilizer, diffusant, lubricant etc. Packing and Storage: In 200kg iron drum/plastic drum. Handle with care; Tween 85 is stored in cool, dry and draughty place. Its shelf life is 2 years. Then, Tween 85 can still be used if qualified after re-check. In 200kg iron drum/plastic drum.