Synonym(s): Amidol, 4-Hydroxy-m-phenylenediamine dihydrochloride Formula: C6H8N2O 2HCl Formula weight: 197.07 Purity: 98+% CAS Number: 137-09-7 UN Number: UN2811 Hazard Class: 6.1 Packing Group: III Harmonized Tariff Code:  2922.29 Hazard Statements: …