Use under fume hood. Stable under normal storage and use. Toxic fumes under conditions of fire. May produce caustic effect on skin, mucous membranes and eyes. Swallowing will lead to a strong caustic effect on mouth and throat and to the danger of perforation of esophagus and stomach.
Cobalt carbonate is moderately toxic by ingestion.
May cause allergic reactions, may reduce thyroid activity and impair liver functions. IARC Cancer review. Subject to the reporting requirements of Section 313 of SARA Title III and of 40 CFR 372. 26 - in case of contact with eyes, rinse immediately with plenty of water and seek medical attention. 45 - in case of accident or if you feel unwell, seek medical advice immediately.