68987-55-3 Borate(1-), tetrafluoro-, potassium, reaction products with boric acid, boric acid (H2B4O7) dipotassium salt, boron and potassium fluoride (K(HF2)) Borate(1-), tetrafluoro-, potassium, reaction products with boric acid, boron, boron potassium oxide (B4K2O7) and potassium fluoride (K(HF2)) EINECS 273-498-2