Cetyl acetate

CAS Number
629-70-9
EC Number
211-103-7

What is Cetyl acetate?

Cetyl acetate (CAS 629-70-9), also known commercially as palmityl acetate, is a fatty acid ester used primarily as an emollient and conditioning agent in personal care and pharmaceutical formulations.

Where is Cetyl acetate used?

  • Cosmetic creams and lotions: incorporated as emollient
  • Hair conditioners: smooth, non-greasy feel while supporting emulsion stability
  • Film-forming systems: plasticizer
  • Topical pharmaceutical coatings and transdermal delivery bases: improves flexibility and adhesion
  • Lipstick and sunscreen: solvent and carrier for active ingredients
  • Color cosmetic bases: effective where oil-phase compatibility is required
  • In leave-in hair treatments it conditions the cuticle and reduces static.

Commercial specifications

  • Grades meet purity requirements of personal care and topical drug product manufacturers
  • Packaging typically in fiber drums or bags for industrial procurement volumes

Other Names (Synonyms)

Palmityl acetate|Hexadecyl acetate|1-Hexadecanol, acetate|1-Acetoxyhexadecane|n-Hexadecyl ethanoate|Hexadecanol acetate|Acetic acid, hexadecyl ester|ENT 1025

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What are the physical properties of Cetyl acetate?

Melting Point -18.5 °C
Boiling Point 140 °C
Density 0.8672 (estimate)
Color Colourless OIl to Low-Melting
Form solid
Vapor Pressure 0.005Pa at 25℃
Refractive Index 1.4439 (estimate)
Log P 8.66 at 40℃

Which trade and regulatory codes apply to Cetyl acetate?

WGK (Germany) 2
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