Polysorbate 81, also known as polyoxyethylene (5) sorbitan monooleate, consists of sorbitol, ethylene oxide, and oleic acid. It has a molecular formula of C34H64O11. At room temperature, it is in the form of a pale-yellow orange oily liquid. It is an O/W emulsifier with an HLB value of 10.0. It is soluble in ethanol, ethyl acetate, and toluene; slightly soluble in mineral and vegetable oil. And it can be dispersed in water.
MOLECULAR FORMULA: C34H64O11
MOLECULAR WEIGHT: 648
According to Q/GDRH 015-2020, other parameters are available upon request.
Parameters | Unit | Standard value |
Acid value | mg KOH/g | ≤3.0 |
Saponification value | mg KOH/g | 96~104 |
Hydroxyl value | mg KOH/g | 134~150 |
Moisture | w/% | ≤3.0 |
It acts as an emulsifier, solubilizer, stabilizer, diffuser, and lubricant
Can be used in industry
Store in a cool, dry place in tightly sealed packages, away from heat and light
Transport as non-dangerous goods
1 year.
25kg/drum, 220kg/drum and 1000kg/drum (special packaging is available upon request)
7-14 days after receiving payment
Guangzhou, Shenzhen, Shanghai, Qingdao, etc.
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