Core & Main Potassium Acid Phthalate, ACS Grade, 500 gBy Core & Main $151.65 | EA Quantity discounts available QuantityPrice1 – 1$151.652 – 5$147.866 +$144.07Product #: 707178Mfr. Part #: PA3000-KOut of Stock - Ships in 5-10 Days Quantity -+ Add to Cart Add to List Add to My List Or: Create a New List Create and Add Item Learn more about Core & Main chemicals and reagents for your everyday water quality testing.Free Ground Shipping On All Orders Over $1500!*Conditions Apply* Details Description Potassium Acid Phthalate, ACS Grade, 500 g. Features CAS No. 877-24-7 C₈H₅KO₄ FW=204.222 DetailsBackDescription Potassium Acid Phthalate, ACS Grade, 500 g. Features CAS No. 877-24-7 C₈H₅KO₄ FW=204.222 Documents Safety Data Sheet