Potassium pentaborate octahydrate
Product Name: Potassium pentaborate octahydrate
Grade Standard: Industrial Grade
Molecular formula: B5H16K5O23
Potassium pentaborate can be crystallized from a solution having a B2O3:K2O ratio of 3 to 5 or even higher than 5. The material is pure and can be recrystallized in a hot solution without decomposition. Since the solubility of potassium pentaborate is small, it can be obtained by dissolving sodium from potassium borate solution with potassium hydroxide. It can also be prepared by reacting boric acid with potassium formate.
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