For the manufacture of cobalt powders and other materials of cobalt salts Cobalt Oxalate (CoC2O4 ·2H2O)1. Chemical formula: CoC2O4 2H2O 2. Molecular weight: 182.98 3. Property: light pink crystalline powder, soluble in ammonia, insoluble in water 4. Application: used in the manufacture of cobalt powder and cobalt products of other raw materials. 5. Packaging: plastic bag lining, plus woven bag, ...