Check the listing for details. Ferric Nitrate, 2.5kg. Condition: New. Listed at 89.95 USD. Ferric Nitrate, 2.5kg Ferric Nitrate is also called Iron nitrate. Appears as violet crystals and is soluble in water, alcohol, and acetone. It is a strong oxidant and irritant.Ferric nitrate solutions are used by jewelers and metalsmiths to etch silver, copper, brass, and bronze. It can create intricate patterns and designs on the surface of the metal. It is also used in patination to create a rust-like finish on metal surfaces. Chemical Grade: Lab, Crystal Assay: 97.0% Minimum Formula: Fe(NO3)3 - 9H2O CAS: 7782-61-8 Caution: This 2.5kg size may only ship to destinations within the 48 contiguous US states and Canada using ground Limited Quantity via UPS or FedEx ground. No air delivery allowed. Customers in Canada should expect additional duties, taxes, and customs clearance service fees due upon delivery.