Sodium Thiosulfate, Concentration Not Applicable, CAS Number 10102-17-7, Molecular Weight 248.19, Chemical Formula Na2S2O3; 5H2O, Chemical Container Material Fiberboard, Chemical Container Type Drum, Chemical Grade USP, Chemical Container Size 50 kg, Chemical Family Type Reagent, Shelf Life 36 mo, Shipping Restrictions Chemical Not Regulated For Transport, Standards Not Applicable, Special Information Not Applicable