Tween-40

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