Tween 85, Emulsifier T-85


Tween-85 is amber oily viscose liquid. It is non-toxic and odorless. The relative density is 1.00~1.05 and the HLB value is 11.0. Tween-85 is soluble in water, dilute acid/alkalis, and most organic solvents, and insoluble in acetone and polyethylene glycol.

CAS No.:


Molecular Formula:


Structure Formula:

tween-85 structure formula


Item Index
Appearance Amber oily liquid
Acid value 2mgKOH/g Max.
Saponification value 83-98mgKOH/g
Hydroxyl value 40-60mgKOH/g
Water 3.0% Max.


Tween-85 is used as an emulsifier, solubilizer, stabilizer, diffusant, lubricant, etc.

Packing and Storage:

In 200kgs iron drum/plastic drum.

Handle with care; Tween-85 is stored in a cool, dry, and draughty place. The shelf life is 2 years. Then, Tween-85 can still be used if qualified after re-check.


Emulsifier T-85