INCI: Sodium Octyl Sulfate

Description: Sodium Octyl Sulfate

CAS: 142-31-4

Regulatory: TSCA (US), Canada (DSL), Japan (ENCS), Australia (AICS), Philippines (PICCS), China (IECSC), New Zealand (NZIoC)

Colonial SOS is a highly biodegradable wetting agent that is stable under varying conditions of pH and temperature. The rapid wetting and low foam characteristics of Colonial SOS recommend it for applications listed below.


  • Fire extinguishing foam agent
  • Mercerizing agent for textiles
  • Surfactant in electrolyte baths for metal cleaning
  • Wetting agent for hard surface cleaning