Suberin

Isolated suberin acid mixture made from wild Finnish birch bark can be commercially used e.g. as a gelling agent in cosmetic products.

  • Soluble in alkyl acetates, acetone, ethanol
  • Alkaline water
  • Soluble in polaric oils
  • Not soluble in water nor glyserol
  • Melting point 72-78°C

INCI name: Betula pendula extract

 

Typical composition of off-white to beige colour:

18-Hydroxyoctadec-9-enoic acid, 0-2 %

9,10-Epoxy-18-hydroxyoctadecanoic acid, 57-67 %

20-Hydroxyeicosanoic acid, 2-5 %

9,10,18-Trihydroxyoctadecanoic acid, 3-15 %

22-Hydroxydocosanoic acid, 23-28 %