Sorbitan Monopalmitate

Sorbitanesters and Polysorbates as nonionicoffer many advantages over ionic surfactants including increase stability, enhance flexibility and provide wider compatibility. They are stable in mild acids, alkalis and electrolytes and do not react with ionic ingredients or actives.

Sorbitan monopalmitate, also known as sorbitan palmitate/SMP, is synthesized by the esterification of sorbitan with palmitic acid. It has a molecular formula of C22H42O6. At room temperature, it is a light yellow granular solid. Monopalmitateis a W/O emulsifier that has an HLB value of span 40. Besides emulsification, sorbitan monopalmitate can also act as a stabilizer, thickener for food, pharmaceutical, and cosmetic formulations; and as a lubricant, softener, finishing agent for the textile industry. Also, sorbitan monopalmitate is used as a dispersant for printing ink.

CAS NO.: 26266 57 9

1. E 495

MOLECULAR FORMULA: C22H42O6

MOLECULAR WEIGHT: 403.56

Technical Information of Sorbitan Monopalmitate

According to GB25552-2010, other parameters are available upon request.

Parameters	Unit	Standard value
Fatty acid	w/%	63~71
Sorbitol	w/%	33~38
Acid value	mgKOH/g	≤7.0
Saponification value	mg KOH/g	140~155
Hydroxyl value	mg KOH/g	270~305
Moisture	w/%	≤1.5
Residue on ignition	w/%	≤0.5
Arsenic	mg/kg	≤3
Pb	mg/kg	≤2

Sorbitan Monopalmitate Use

lActing as emulsifiers and dispersants in the food and cosmetic industry

lSoluble in ethanol, ethyl acetate, toluene, and petroleum ether; can be dispersed in hot water and becomes lactescence

lYou can also find the wide uses of sorbitan monopalmitate in food, cosmetic and industry

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