Cupric sulfate (copper sulfate) in the form of blue, medium sized crystals. Soluble in water and methanol; slightly soluble in ethyl alcohol and glycerin. Toxic by ingestion and a strong irritant so care should be taken in handling.
Used in the following patina formulas:
Cupric sulfate readily forms blue, triclinic crystals. Read our article, "Growing Large Crystals with Seed Crystals" for more information.
This chemical only ships to destinations within the continental United States using UPS ground. No air deliveries allowed.