Hach FerroZine® Iron Reagent, 25 g, 230424By Hach $285.00 | EA Quantity discounts available QuantityPrice Product #: 700868Mfr. Part #: 230424Out of Stock - Ships in 5-10 Days Quantity -+ Add to Cart Free Ground Shipping On All Orders Over $1500!*Conditions Apply* Details Description [3-(2-Pyridyl)-5,6-bis(4-phenylsulfonic acid)-1,2,4-triazine, monosodium salt, monohydrate] CAS No. 69898-45-9. One of the most sensiti... DetailsBackDescription [3-(2-Pyridyl)-5,6-bis(4-phenylsulfonic acid)-1,2,4-triazine, monosodium salt, monohydrate] CAS No. 69898-45-9. One of the most sensitive iron reagents known N4C20H13S2O6Na·...H2O, FW = 510.47. Assay: >95% Product Specifications Method Name FerroZine Platform Jar California residents see Prop 65 WARNINGS