Synonym(s): Sodium hypodisulfite, Sodium dithionite Formula: Na2S2O4 Formula weight: 174.11 Purity: 85+% CAS Number: 7775-14-6 UN Number: UN1384 Hazard Class: 4.2 Packing Group: II Harmonized Tariff Code:  2831.10 Hazard Statements: H251-H302 Self-heating: may catch…