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Polysorbate 20/60/65/80

Polysorbate 20/60/65/80

  • Polysorbate 20/60/65/80 is a class of emulsifiers used in some pharmaceuticals and food preparation. They are often used in cosmetics to solubilize essential oils into water-based products.
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  • SPECIFICATIONS
  • Description
(chemistry) any of a class of emulsifiers used as food additives and in pharmaceutical preparations; they are derived from sorbitan (typically with three polyoxyethylene side-chains) esterified with a fatty acid; they are mostly oily liquids, or soft solids

Polysorbate 20/60/65/80 is a class of emulsifiers used in some pharmaceuticals and food preparation. They are often used in cosmetics to solubilize essential oils into water-based products. Polysorbates are oily liquids derived from ethoxylated sorbitan (a derivative of sorbitol) esterified with fatty acids. Common brand names for polysorbates include Scattics, Alkest, Canarcel, and Tween.

The types of Polysorbates
Polysorbate 20 (polyoxyethylene (20) sorbitan monolaurate)
Polysorbate 40 (polyoxyethylene (20) sorbitan monopalmitate)
Polysorbate 60 (polyoxyethylene (20) sorbitan monostearate)
Polysorbate 80 (polyoxyethylene (20) sorbitan monooleate)

Polysorbate structure
The number 20 following the 'polyoxyethylene' part refers to the total number of oxyethylene -(CH2CH2O)- groups found in the molecule. The number following the 'polysorbate' part is related to the type of fatty acid associated with the polyoxyethylene sorbitan part of the molecule. Monolaurate is indicated by 20, monopalmitate is indicated by 40, monostearate by 60, and monooleate by 80.

Polysorbate 20/60/65/80 specifications
APPEARANCE Light yellow liquid to soft solid
Acid Value(mg KOH/g) 2.0 max
Saponification Value(mg KOH/g) 45-55
Hydroxyl Value(mg KOH/g) 81-96
Sulfated ash 0.25 max
Moisture(%) 3.0 max
Heavy metals% 0.001 max
Arsenic% 0.003 max

Polysorbate Application
Oil and fats - prevent separation
The production for pigment - keep the stability ,prevent oil precipitation  
Facial care - keep the balance of oil and water  
Polysorbates application

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