Material Safety Data Sheet Page 1 of 2 Cobalt (II) …
Moderately toxic by ingestion and possible carcinogen. Target organs: Kidneys, lungs, thyroid. This material is considered hazardous by the OSHA Hazard Communication Standard (29 CFR 1910.1200). HMIS (0 to 4) Section 3: Composition / Information on Ingredients. Cobaltous Chloride, Hexahydrate, (), 13%. Water (), 87%.