Potassium pentaborate octahydrate

Potassium pentaborate octahydrate

Product Name: Potassium pentaborate octahydrate

12229-13-9

CAS: 12229-13-9 
Formula: B10K2O16, 

Grade Standard: Industrial Grade
Appearance: Powder

Melting point:780'C
Molecular formula: B5H16K5O23
Molecular weight:633.66000
Precise quality:633.87300
PSA:419.74000

Description:

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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