Polysorbate 20
Polysorbate 20, also known as polyoxyethylene (20) sorbitan monolaurate. It consists of sorbitol, ethylene oxide, and lauric acid. It has a molecular formula of C58H114O26. At room temperature,polyoxyethylene monolaurateis in the form of a pale-yellow to yellow viscous liquid at room temperature. Polyoxyethylene sorbitan monolaurate is an O/W emulsifier with a polysorbate 20 HLB of 16.7. Polysorbate 20 is great at emulsifying and stabilizing oils in water. Polysorbate 20 usesas a solubilizers and penetrants and dispersants in food, pharmaceutical, and cosmetic formulations. It can also use as a softener, finishing agent, antistatic agent, and lubricant in the textile industry.
emulsifier polysorbate 20CAS NO.: 9005-64-5
E NO.: E432
MOLECULAR FORMULA: C58H114O26
MOLECULAR WEIGHT: 1226.48
Technical Information of Polysorbate 20
According to GB29221-2012, other parameters are available upon request.
|
Parameters |
Unit |
Standard value |
|
Acid value |
mg KOH/g |
≤2.0 |
|
Saponification value |
mg KOH/g |
40~50 |
|
Hydroxyl value |
mg KOH/g |
96~108 |
|
Moisture |
w/% |
≤3.0 |
|
Residue on ignition |
w/% |
≤0.25 |
|
Pb |
mg/kg |
≤2 |
|
Oxyethylene |
w/% |
Advantages of Polysorbate 20
It is soluble in water, ethanol, ethyl acetate, and toluene
It has multiple functions in numerous formulations
Can be used in food, cosmetic, pharmaceutical and industry
Polysorbate 20 is it safe?
According to the scientific data collected by the Cosmetic Ingredient Review (CIR) Expert Panel, polysorbate 20 is safe for use in cosmetic and skin care products. Performing the role of emulsifier, the addition of polysorbate 20 in cosmetic products is also safe for pregnant women. Whereas, it is still worth noting that too much addition of this polyoxyethylene sorbitan monolaurate for skincan possibly lead to skin irritation and it can cause skin tingling when the cuticle is thin and inflammation occurs.
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