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Pyrogallic acid

Name:Pyrogallic Acid;

Alias: 1,2,3-Trihydroxybenzene,1,2,3-Benzenetriol,pyroelectric acid,pyrogallol;

Properties: white and glossy crystalline powder at normal temperature, bitter taste, exposed in the air slowly into dark grey;

Solubility: soluble in water, easily soluble in ethanol and ether, slightly soluble in benzene, chloroform, carbon disulfide;

Molecular formula:C6H6O3;

Molecular weight:126.11;

CAS NO:87-66-1;


Features: combustible, toxic chemicals;


  1. Analytical reagent: deoxidizer, reductant, oxygen inhalant;
  2. Infrared photography: a thermosensitive agent;
  3. Manufacture of epoxy resin;
  4. Inhibitor and antioxidant;
  5. Anti scaling agent for PVC polymerizer;
  6. Electroplating solution;
  7. Chromotropic agent: oxidative discoloration;
  8. Trapping of radioactive elements and flotation of minerals;
  9. organic synthesis.
    Quality standard Industrial grade AR grade (reagent purity) AR grade (reagent purity)
    Appearance White powder White powder White powder
    Content% ≥99.00 ≥99.80 ≥99.50
    Water solubility Clear and transparent Clear and transparent Clear and transparent
    Melting point℃ 131-135℃ 132-135℃ 132-135℃
    Burning residue% ≤0.1 ≤0.01 ≤0.025
    Chloride% —- ≤0.001 ≤0.001
    Sulfate% —- ≤0.005 ≤0.005
    Heavy metal ppm ≤5.0 ≤5.0 ≤5.0
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