Synonyms: polyoxyethylene 20 sorbitan mono-oleatecas number: 9005-65-6, molecular weight: 2917, chemical formula: c64h124o26, einecs ec number: 500-019-9, fema: 2917, polysorbate 80 bp gradepolyoxyethylene 20 sorbitan mono-oleateph euraction and use: non-ionic surfactants. Definitionmixture of partial esters of fatty acids, mainly oleic acid (0799), with sorbitol and its anhydrides ethoxylated with approximately 20 moles of ethylene oxide for each mole of sorbitol and sorbitol anhydrides. Charactersappearance: oily, yellowish or brownish-yellow, clear or slightly opalescent liquid.Solubility: dispersible in water, in anhydrous ethanol, in ethyl acetate and in methanol, practically insoluble in fatty oils and in liquid paraffin.Relative density: about 1.10.Viscosity: about 400 mpas at 25c. Identificationfirst identification a, d.Second identification b, c, d, e.A. Infrared absorption spectrophotometry.B. Hydroxyl value (see tests).C. Saponification value (see tests).D. Composition of fatty acids.E. Dissolve 0.1 g in 5 ml of methylene chloride r. Add 0.1 g of potassium thiocyanate r and 0.1 g of cobalt nitrate r. Stir with a glass rod. The solution becomes blue. Testsacid value: maximum 2.0.Hydroxyl value: 65 to 80.Peroxide value: maximum 10.0.Saponification value: 45 to 55, determined on 4.0 g.Composition of fatty acids: to pass the test.Ethylene oxide and dioxan: maximum 1 ppm of ethylene oxide and maximum 10 ppm of dioxan.Heavy metals: maximum 10 ppm.Water: maximum 3.0 per cent, determined on 1.00 g.Total ash: maximum 0.25 per cent, determined on 2.0 g.
Upington, South Africa
Write a Review
Mali (Afexco Exporters Pty)
Share us via
