CHEMICAL FORMULA :KBF4 M.W.: 125.90 DESCRIPTION: A white powder,density in 2.5g/ml,melting point on 530°,slightly dissolved in water and hot ethanol,not dissolved in cold alchol .toxically. APPLICATION:Be used as fusing agent in welding,raw material for others Fluoride salts series. SPECIFICATION: SPEC Technical grade Export grade Reagent grade INDUSTRIAL GRADE KBF4 % =98% =99.5% =98% HF % =0.1% =0.1% =0.1% KOH % =0.1% =0.1% =0.1% Cl % =0.002% =0.002% =0.005% SO42 % =0.002% =0.002% =0.005% PO43- % =0.005% =0.005% =0.01% Fe % =0.001% =0.002% =0.005% Pb % =0.001% =0.001% =0.003% Potassium fluorosilicate% =0.3% =0.02% =0.8% Chemical nature Chemical name Potassium Fluoroborate Molecular formula KBF4 Molecular weight 125.90 CAS No. 14075-53-7 Properties Physical form White granule crystal Assay(%) =99% Chloride(Cl) =0.1% Sulfate(SO4) =0.01% Iron(Fe) =0.03% Moisture =0.05% Lead(Pb) =0.01% Calcium (Ca) =0.05% Magnesium (Mg) =0.05% Silica(as SiO2) = 0.3% Application It is analytical reagent, fusing agent, in manufacture of Boron trifluoride, mould material for casting Al and Mg, in electrochemical and chemical experiments. Packing 25 kg/bag, stored in cool and dry place.