Disodium Monofluorophosphate CAS# 10163-15-2 Assay (as Na2PO3F) 93.0% Min Bond Fluoride 12.3% Min Free Fluoride (as NaF) 1.2% Max Total Fluoride 12.7% Min Arsenic 0.0003% Max Heavy Metal (as Pb) 0.005% Max PH (20g/L solution) 6.5-8.0 Loss on Drying 0.2% Max 25kg net in bag