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1338-43-8 Span-80

product Name Span-80
CAS No 1338-43-8;9015-08-1
Synonyms Sorbitan Monooleate (Span 80); Sorbitan oleate; Sorbitan (Z)-mono-9-octadecenoate; Emulsifier S80; [2-[(2R,3S,4R)-3,4-dihydroxytetrahydrofuran-2-yl]-2-hydroxy-ethyl] (Z)-octadec-9-enoate; 1,4-anhydro-6-O-[(9Z)-octadec-9-enoyl]-D-glucitol; [(2R)-2-[(2R,3R,4S)-3,4-dihydroxytetrahydrofuran-2-yl]-2-hydroxy-ethyl] octadec-9-enoate; Sorbitan monooleate; polyoxyethylene(20) sorbitan monooleate; Span 80
Molecular Formula C24H44O6
Molecular Weight 428.6026
InChI InChI=1/C24H44O6/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-22(27)29-19-21(26)24-23(28)20(25)18-30-24/h9-10,20-21,23-26,28H,2-8,11-19H2,1H3/t20-,21+,23+,24+/m0/s1
EINECS 215-665-4
Molecular Structure 1338-43-8;9015-08-1 Span-80
Density 1.068g/cm3
Boiling point 579.3°C at 760 mmHg
Refractive index 1.506
Flash point 186.2°C
Vapour Pressur 7.87E-16mmHg at 25°C

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Specifications GB13482-92
Packing 25kg/bag(Span 60, 40); 25kg/plastic barrel, wood case outside; or 200kg/aluminum barrel. The storage period is two years.
Description

Span Series

The basic chemical ingredient of Tween series products is sorbitol anhydride fatty acid ester. They are soluble in organic solvents such as heat alcohol and toluene, and insoluble in water, but can be dispersed in the heat water. HLB4.3-8.6, ranging with the different fatty acid. They are lipophilic, W/O-type nonionic surfactants with excellent heat stability and hydrolysis stability, widely used as emulsifier, stabilizer, dispersant and defoaming agent in food, cosmetic, pharmaceutical, light textile and chemical

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