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product sheet

Copper Sulfate
Pentahydrate Feed Grade

copper sulfate crystals

Copper Sulfate Pentahydrate is an odorless blue crystal that readily dissolves in water. It is also soluble in methanol, glycerol and slightly soluble in ethanol. Copper Sulfate, sometimes referred to as Blue Vitriol or Bluestone, is a readily available and economic source of copper.


Copper is an important dietary supplement in animal feeds. Old Bridge Feed Grade Copper Sulfate Pentahydrate is especially designed to meet the stringent requirements of the feed industry. Feed Grade Copper Sulfate is free flowing and has excellent absorbent properties.​

It is 100 percent minus 30 mesh. Coarse Crystals Copper Sulfate Pentahydrate can be used to destroy algae in water supplies. It controls tadpole shrimp in flooded rice fields and is used as a sewer treatment to destroy roots.

Feed Crystals Copper Sulfate can be used as an ingredient in Bordeaux Mixture sprays as a fungicide to control plant diseases. It is an ingredient in wood treating chemicals to protect against mildew and rotting. In industrial applications, Old Bridge Copper Sulfate finds use in production of chemicals, dyes and pigments, in the steel industry for pickling and plating and as a floatation reagent in recovery of zinc and lead in mining.

Old Bridge Copper Sulfate Feed Crystals and Coarse Crystals are registered with the Environmental Protection Agency for pesticide applications (EPA Reg. No.46923-4).


Old Bridge Minerals, Inc.
554 Waterworks Rd.
Old Bridge, New Jersey 08857

Typical Analysis

Common Name: Copper Sulfate Pentahydrate Feed Grade
Copper (Cu): 25.2% min
Iron (Fe): 0.2% maximum
Chlorides (Cl): 500 ppm maximum
Sulfates (S04): 0.04% maximum
Lead (Pb): 70 ppm maximum
Cadmium (Cd): 70 ppm maximum
MEA Insolubles: 0.5% maximum


ppm – parts per million