Pyrogallic Acid 98.5% cas no: 87-66-1 MP:132-135'C HS CODE: 29181990.90 UN NO: 2811 Hazard Code:6.1 PACKING GROUP:III Package: 25Kg/Drum application: Pyrogallol is the oldest photographic developer. Pyrogallol can be used in gas analysis as a reagent, in the synthesis of dyestuff, medicines and pesticide. It is also used in electroplating dying aluminum materials