Assay(as Na2H2P2O7)% 95.0%
P2O5% 63.0%-64.0%
PH Value 3.5-4.5
Water Insoluble %í_ 1.0
Fluoride (as F) % í_ 0.005
Heavy Metals (as Pb) % í_ 0.001
Arsenic (As)% í_ 0.0003
Loss on ignition(105íµ) %í_ 0.5.
Chemical formula : Na2H2P2O7
Molecular weight: 221.95
CAS Number: 7758-16-9
