Emulsifier S-65

Alias: sorbitan tristearate (span 65); Span 65; span (R) 65 hlb-value 2.1; Span-65; Emulsifier S-65; [(2R,3S,4R)-2-[1,2-di(octadecanoyloxy)ethyl]-4-hydroxy-tetrahydrofuran-3-yl] octadecanoate; [2,3,5-trihydroxy-4,6-di(octadecanoyloxy)hexyl] octadecanoate
Structural formula:

Molecular formula: C₆₀H₁₁₄O₈
CAS NO.: 26658-19-5

Technical characteristic:

Item	Unit	Standard values
Appearance	/	milk white flake
Acid value	KOH mg/g	15.0 Max.
Saponification value	KOH mg/g	170 - 190
Hydroxyl value	KOH mg/g	60 - 80
Moisture	%	1.5 Max.
Melting point	°C	50 - 56
HLB value	/	2.1

Technical characteristic:

It is esterified from sorbitol, oleic 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等。suitable for application in medical, cosmetic, textile and oil paint industry

Packing specification:

25KG woven bag