Sodium Thiosulfate, Anhydrous, Reagent, CAS Number 7772-98-7, Molecular Weight 158.11, Chemical Formula Na2S2O3, Chemical Container Material Plastic, Chemical Container Type Bottle, Chemical Grade Reagent, Chemical Container Size 2.5 kg, Chemical Family Type Analytical Reagents, Shelf Life 24 mo, Shipping Restrictions Chemical Not Regulated For Transport