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Emulsifier S-40
Alias: Sorbitan monopalmitate; sorbitan palmitate; Span #40 (=Sorbitan monopalmitate); Span?40; Span 40; Emulsifier S-40; Span-40; [2-[(2R,3S,4R)-3,4-dihydroxytetrahydrofuran-2-yl]-2-hydroxy-ethyl] hexadecanoate; 1,4-anhydro-6-O-hexadecanoyl-D-glucitol
Structural formula:

Molecular formula: C22H43O6
CAS NO.: 26266-57-9

Technical characteristic:  

Item Unit Standard values
Appearance / milk white flake
Acid value KOH mg/g 8.0 Max.
Saponification value KOH mg/g 140 - 150
Hydroxyl value KOH mg/g 255 - 290
Moisture % 1.5 Max.
HLB value / 6.7

Technical characteristic:

It is esterified from sorbitol, palmitic acid and it has features of :
● Hardly soluble in water, soluble in hot oil and organic solvent
● O/W type emulsifier           
● Fine wetting property and poor water solubility
● Fine environmental compatibility     

       

Application fields:

As emulsifier, solubilizer, stabilizer, softening agent, antistatic agent; suitable for application in medical, cosmetic, textile and oil paint industry

Packing specification:

25KG woven bag

Storage:

Should be stored in cool, dry and ventilated place, avoid to exposed to the sun and rain