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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. Monopalmitate is a W/O emulsifier that has an HLB value of 6.7. 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
E NO.: E 495
MOLECULAR FORMULA: C22H42O6
MOLECULAR WEIGHT: 403.56

Technical Information of Sorbitan MonopalmitateAccording to GB25552-2010, other parameters are available upon request.
ParametersUnitStandard value
Fatty acidw/%63~71
Sorbitolw/%33~38
Acid valuemgKOH/g≤7.0
Saponification valuemg KOH/g140~155
Hydroxyl valuemg KOH/g270~305
Moisturew/%≤1.5
Residue on ignitionw/%≤0.5
Arsenicmg/kg≤3
Pbmg/kg≤2

Sorbitan Monopalmitate Use
Acting as emulsifiers and dispersants in the food and cosmetic industry 
Soluble in ethanol, ethyl acetate, toluene, and petroleum ether; can be dispersed in hot water and becomes lactescence
You can also find the wide uses of sorbitan monopalmitate in food, cosmetic and industry 
Guangdong Huana Chemistry Co., Ltd. is a professional global chemical engineering company based in China. Want know sorbitan sesquioleate other names or more? Please contact us.