Add to Cart Quick view Sodium Thiosulfate ReagentPlus®, 99%, 2.5kg MSRP: Now: $275.00 Was: Sodium Thiosulfate ReagentPlus®, 99%, 2.5kg CAS Number: 7772-98-7 Linear Formula: Na2S2O3 Molecular Weight: 158.11 EC Number: 231-867-5 MDL number: MFCD00003499 PubChem Substance ID: 329752199... 217263-2.5KG MSRP: Now: $275.00 Was: Add to Cart Quick view Qty in Cart: 0 Order Quantity: Decrease Quantity: Increase Quantity: Price: MSRP: Now: $275.00 Was: Subtotal: Add to Cart