Cyclopentasiloxane is a silicone regularly used in cosmetic products. It's commonly found in medical implants, sealants, lubricants, and windshield coatings.


Melting Point-50.0°C
Boiling Point205.0°C
Flash Point77.2°C
Density0.95 g/cc
FormsNon-greasy, Odourless, Liquid (clear), Colourless

Uses and Applications

Key applications

  • Hair care
  • Pharmaceuticals
  • Skin care products
  • Cosmetic products
  • Anti-ageing products


  • Pharma
  • Cosmetics
  • Chemical Processing

Synonyms: Cyclopentasiloxane, D5, Decamethylcyclopentasiloxan

Chemical Formula: C10H30O5Si5

CAS Number: 541-02-6