Cupric Sulfate, Anhydrous
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This article is compiled based on the United States Pharmacopeia (USP) – 2025 Edition
Issued and maintained by the United States Pharmacopeial Convention (USP)
CuSO4 159.61 CAS RN®: 7758-98-7.—A white or grayish-white powder free from a blue tinge. Upon the addition of a small quantity of water, it becomes blue. Soluble in water. Store in tight containers.
Chloride (Reagent test): One g shows not more than 0.02 mg of Cl (0.002%).
Substances Not Precipitated By Hydrogen Sulfide: Determine as directed for ACS reagent grade of Cupric Acetate: the residue weighs not more than 6 mg (0.15%).
