Chemical formula: CuSO4 5H2O CAS No.: 7758-99-8 Grade: 1. Cu: 23% Agricultural Grade (Undried) 2. Cu: 24.5% Technical Grade (Undried) 3. Cu: 25% Technical / Feed Grade (Dried) *With or without anticaking agent (SiO2) Appearance: Blue Crystal Packing: 25kg bag, 1000kg bag Product Origin: Taiwan Application: Agriculture: soil additive/fertilizer, pesticide, fungicide, algaecide etc. Mining industry: flotation process (where copper sulphate helps separate valuable metals such as gold, zinc, lead etc. from other materials) Feed additive: copper sulphate is widely used in the feed of livestock and poultry to help correct copper deficiency and create a balanced diet for the animals. Others: wood and pulp preservative etc.