CAS No.
9005-66-7
Molecular Formula
C62H123O26
Structure Formula

Property
Tween-40 is an amber oily liquid. Relative density: 1.05-1.10. HLB value: 15.6. Tween-40 is soluble in water, diluted acid, diluted alkalis, and most organic solvents, insoluble in vegetable oil.
Specifications
Item | Index |
---|---|
Acid value | 2mgKOH/g Max. |
Saponification value | 40-55mgKOH/g |
Hydroxyl value | 85-100mgKOH/g |
Water | 3% Max. |
Use
Tween-40 is used as an emulsifier, solubilizer, stabilizer, diffusant, fiber lubricant, etc.
Packing and Storage
In 200kg iron drum/plastic drum.
Handle with care. Tween-40 should be stored in a cool, dry, and draughty place. Shelf life is 2 years. Then, Tween-40 can still be used if qualified after re-check.
Keywords
Tween-40, emulsifier T-40, polyoxyethylene sorbitan monopalmitate