... : 1. CSA no.: 14075-53-7 2. Purity: 98% 3. Appearance: White crystal Potassiun Fluoborate(KBF4) is a white ... °CAppearance: White, fine granular, free flowing crystalsFlammability: NonflammbaleChemial Properties:KBF4: 98.0% minK2SiF6: 1.50% maxNa: 0.10% maxCl: 0.10 ... dry and well in original packaging, closed. Potassium Fluoborate sandy 98% KBF4