Pyrogallol CAS 87-66-1 is a polysubstituted aryl compound with a molecular formula of C6H6O3 and a molecular weight of 126.11. White solid, easy to be oxidized, easy to change color in the air. Chinese name pyrogallol, foreign name pyrogallol alias pyrogallol; pyrogallol; pyrogallol; pyrogallol; pyrogallol; pyrogallol chemical formula C6H6O3 molecular weight 126.11 CAS registration number 87-66-1.
1. Used for preparing colloidal solution of metal, coloring of leather, dyeing and etching of fur and hair etc.
2.Mainly used in the production of developer, polymer inhibitor and infrared photography thermosensitizer, also used as medicine and dye intermediates.
3.Used for the analysis and determination of oxygen, antimony, bismuth, cerium, iron, molybdenum, tantalum and niobium, etc.Used in gas analysis to absorb oxygen;Used for the color reaction of nitrite, molybdenum, niobium, titanium, cerium, bismuth, copper, vanadium, iron, iodate, etc.
4.Metal complexing agent.Determination of bismuth and antimony by gravimetric analysis.A reducing agent of gold, silver, mercury salts, phosphomolybdic acid and phosphotungstic acid used in gas analysis to absorb oxygen.