Sorbitan palmitate

Chemical Formula:

C₃₄H₆₆O₆

CAS Number:

26266-57-9

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Sorbitan palmitate

Chemical Formula:

C₃₄H₆₆O₆

CAS Number:

26266-57-9

Sorbitan palmitate is a nonionic surfactant and emulsifier obtained by esterifying sorbitol with palmitic acid. It is widely used in cosmetic and personal care formulations to stabilize emulsions and improve product texture. This ingredient helps blend oil and water phases, enhances spreadability, and contributes to a smooth, non-greasy skin feel. With its mildness and compatibility, it is suitable for creams, lotions, and various skincare applications.

Characteristics

Molar Weight

570.9 g/mol

Melting Point

~45–50°C

Boiling Point

Decomposes before boiling

Solubility

Insoluble in water, dispersible in oils and solvents

Density

~0.97 g/cm³

Forms

Off-white to yellowish waxy solid or flakes

Odor

Mild, fatty odor

USES AND APPLICATIONS

Key applications

Used as emulsifier in creams and lotions
Stabilizes oil-in-water and water-in-oil systems
Provides smooth texture in skincare formulations
Improves spreadability of cosmetic products
Acts as thickener and dispersing agent

Industries

Cosmetics and personal care
Pharmaceutical formulations
Food emulsions and processing
Industrial emulsions and coatings

Synonyms

Span 40, Sorbitol palmitate, Hexadecanoic acid sorbitan ester

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