Synonyms: gallotannic acid, gallotannin, glycerite, tannin
      Molecular formula: C76H52O46
      CAS No: 1401-55-4
      EC No: 215-753-2

Physical data

      Appearance: white or light yellow powder
      Melting point: 210 C
      Boiling point:
      Vapour density:
      Vapour pressure:
      Density (g cm-3):
      Flash point: 199 C (closed cup)
      Explosion limits:
      Autoignition temperature:
      Water solubility:


      Stable. Incompatible with metallic salts, strong oxidizing agents, iron and other heavy metals.


      Not hazardous according to Directive 67/548/EEC.

      ORL-RAT LD50 2260 mg kg-1
      IPR-MUS LD50 120 mg kg-1
      ORL-RBT LD50 5000 mg kg-1

Transport information

      Non-hazardous for air, sea and road freight.

Personal protection

      Minimize contact.