TKPP

RE: Tetrapotassium Pyrophosphate (TECH GRADE) [molecular formula] K4P2O7 [CAS RN]:7320-34-5 [index] items standard Typical potassium pyroborate content K4P2O7% 98min 98.3 Fe% 0.002max 0.001 water insolubles % 0.005max 0.04 ph (1% water solvent) 10.0-10.7 10.3 chloridate (Cl)% 0.45max 0.009 heavy metal content (PB)% 0.005max 0.003 total phosphonium content(P2O5)% 42.2min 42.58 [prosperity] The product is white block or powder, is deliquescent, soluble in water, and the water solvent is alkaline, insoluble in alcohol. It is widely used as cyanideless electroplating and detergent agent [Packing]: In plastic bag or compound board lined with double-layer plastic bag, 25kg each.