Polyoxyethylene Stearate

Chemical Formula:

Variable (C18H36O2 with ethoxylation)

CAS Number:

9004-99-3

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Polyoxyethylene Stearate

Chemical Formula:

Variable (C18H36O2 with ethoxylation)

CAS Number:

9004-99-3

Polyoxyethylene Stearate is a nonionic surfactant and emulsifier. Derived from stearic acid and ethylene oxide. Used widely in creams, ointments, and food formulations. Known for its emulsifying and dispersing ability.

Characteristics

Molar Weight

~1125 g/mol (approx.)

Melting Point

~ 55 °C

Boiling Point

>200 °C (decomposes)

Solubility

Soluble in hot water, alcohol

Density

~0.9 g/cm³

Forms

Waxy solid

Odor

Waxy odor

USES AND APPLICATIONS

Key applications

Acts as emulsifier in creams.
Improves dispersion in food systems.
Stabilizes cosmetic and pharma emulsions.
Enhances solubility of fatty materials.

Industries

Nutraceuticals & Dietary Supplements
Pharmaceuticals
Food & Beverages
Cosmetics & Personal Care
Biotechnology

Synonyms

PEG Stearate, Polyethylene glycol stearate

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