... water, insoluble in alcohol, the solution is alkalescent., PH value of 1% solution is 9.1, and it'll decompose into ... acidty,as glaze,solder,baking powder,tanning agent,and for manufacture of pyphosphate,etc.Packing 25kg or 50kg net in plastic-woven ... NOSpecificationsIndustrial GradeFood Grade1Main content %≥98.098.02Phosphorus pentoxide %≥49493PH value of 1% solution8.5-10.08.5-10.04Water insoluble %≤0 ...