The information in this profile may be out-of-date. It was last revised in 1996. EXTOXNET no longer updates this information, but it may be useful as a reference or resource.

Please visit the National Pesticide Information Center (NPIC) to find updated pesticide fact sheets. If you don't find a fact sheet related to your question, feel free to call 1-800-858-7378. NPIC is open five days a week from 8:00am to 12:00pm Pacific Time.


Extension Toxicology Network

Pesticide Information Profiles

A Pesticide Information Project of Cooperative Extension Offices of Cornell University, Oregon State University, the University of Idaho, and the University of California at Davis and the Institute for Environmental Toxicology, Michigan State University. Major support and funding was provided by the USDA/Extension Service/National Agricultural Pesticide Impact Assessment Program.

EXTOXNET primary files maintained and archived at Oregon State University

Revised June 1996

Copper sulfate

Trade and Other Names: Copper sulfate is also called Agritox, Basicap, BSC Copper Fungicide, CP Basic Sulfate and Tri-Basic Copper Sulfate. The pentahydrate form is called bluestone, blue vitriol, Salzburg vitriol, Roman vitriol, and blue copperas. Bordeaux Mixture is a combination of hydrated lime and copper sulfate. Copper sulfate is often found in combination with other pesticides.

Regulatory Status: Copper sulfate is classified as a General Use Pesticide (GUP) by the U.S. Environmental Protection Agency (EPA). Copper sulfate is toxicity class I - highly toxic. It bears the Signal Word DANGER - POISON. Because of its potentially harmful effects on some endangered aquatic species, surface water use may require a permit in some places.

Chemical Class: sulfate

Introduction: Copper sulfate is a fungicide used to control bacterial and fungal diseases of fruit, vegetable, nut, and field crops. These diseases include mildew, leaf spots, blights, and apple scab. It is used as a protective fungicide (Bordeaux mixture) for leaf application and seed treatment. It is also used as an algacide and herbicide, and to kill slugs and snails in irrigation and municipal water treatment systems. It has been used to control dutch elm disease. It is available as a dust, wettable powder, or liquid concentrate.

Formulation: It is available as a dust, wettable powder, or liquid concentrate.

Toxicological Effects:

Ecological Effects:

Environmental Fate:

Physical Properties:

Exposure Guidelines:

Basic Manufacturer:

CP Chemical Inc.
1 Parker Plaza
Ft. Lee, NJ 07024


References for the information in this PIP can be found in Reference List Number 10

DISCLAIMER: The information in this profile does not in any way replace or supersede the information on the pesticide product labeling or other regulatory requirements. Please refer to the pesticide product labeling.