General

      Synonyms: (dipotassium thiosulfate mixed with potassium sulfide), liver of sulfur, sulphurated potash
      Use:
      Molecular formula: K4S3O2
      CAS No: 39365-88-3
      EINECS No:

Physical data

      Appearance: brownish to yellow solid with a faint smell of hydrogen sulphide
      Melting point:
      Boiling point:
      Vapour density:
      Vapour pressure:
      Density (g cm-3):
      Flash point:
      Explosion limits:
      Autoignition temperature:
      Water solubility:

Stability

      Stable, but flammable and hygroscopic. Dust may form an explosive mixture with air. Incompatible with strong acids, alcohols, strong oxidizing agents, strong reducing agents, combustible materials, most common metals, halogenated hydrocarbons.

Toxicology

      Not hazardous according to Directive 67/548/EEC.

   
Transport information

      Not hazardous for air, sea and road freight.

Personal protection

      Minimize exposure.