Polysorbate 80

USP/NF, EP (Tested for Endotoxin & Microbes)

CAS #:


Molecular Formula:



Tween 80, Sorbitan monolaurate, ethoxylated

Molecular Weight:

1.228 g/mol


Polysorbate 80 is used to solubilize essential oils. Polysorbate 80 is a non-ionic surfactant and emulsifier often used in foods and cosmetics. This synthetic compound is a viscous, water-soluble yellow liquid.

Characters Unit Specification
Appearance colourless or brownish-yellow, clear or slightly opalescent liquid
Identification complies
Composition of fatty acids
Myristic acid % max. 5.0
Palmitic acid % max. 16.0
Palmitoleic acid % max. 8.0
Stearic acid % max. 6.0
Oleic acid % min. 58.0
Linoleic acid % max. 18.0
Linolenic acid % max.4.0
Dioxane ppm max. 10
Acid value mg KOH/g max. 2
Hydroxyl value mg KOH/g 65 – 80
Peroxid value meq/kg max. 10
Saponification value mg KOH/g 45 – 55
Water % max. 3.0
Heavy metals ppm max. 10
Kinematic viscosity (bei 25°C) cSt 300 - 500
Specific gravity cfu/g 1.06 – 1.09
Total aerobic microbial count cfu/g max. 100
Total yeasts and moulds count cfu/g max. 50
E.coli cfu/g absent in 1g
Pseudomonas aeruginosa cfu/g absent in 1g
Staphylococcus aureus cfu/g absent in 1g
Salmonella cfu/g absent in 25g
Bacterial endotoxin I.U./g max. 2.5
Ethylene oxide ppm max. 1
Residue on Ignition % max. 0.25

Shelf Life/Retest Date: Polysorbate 80 can be kept for at least 2 years if stored under recommended conditions.

Storage/Shipping Conditions:

  • Store in a well-ventilated place.
  • Keep container tightly closed.

Pack Sizes: 5 Kg

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