Persons with pre-existing respiratory, liver, kidney, skin, or Wilson's disease, or hematopoietic disorders. May be excreted in breast milk. Based on general information on copper salts. See information on copper salts. In addition to the effects described in copper salts, copper sulfate may cause sore throat, coughing, shortness of breath, and can be corrosive to mucous membranes.
Chronic exposure can also cause sloughing of nasal mucosa.
Workers exposed over the years to bordeaux mixture, containing copper sulfate as the principle toxic agent, have developed copper containing nodules and greenish tumors in the liver and lungs. Immediately Dangerous to Life or Health. Chest pain, dyspnea, a metallic taste and gastrointestinal disturbances may occur. Ulceration and perforation of the nasal septum has been reported on occasion. Congestion and atrophic changes in nasal mucosa have been reported from longterm exposure.