Synonym(s): Aminoiminomethanesulfinic acid, Thiourea dioxide Formula: CH4N2O2S Formula weight: 108.12 Purity: 98% CAS Number: 1758-73-2 UN Number: UN3341 Hazard Class: 4.2 Packing Group: III Harmonized Tariff Code:  2930.90 Hazard Statements: H301-H252-H315-H319-H335 …