Molecular Formula: Na3PO4 · 12H2O
Molecular Weight: 380.14
Properties: White or colorless crystals, weathering in air, easily soluble in water but not in organic solvent. It's water solution is alkaline, relative density at 1.62, melting point 73.4℃.
Uses: As a water softening agent, cleaning agent in electroplating industry, color fixer in fabric, dyeing and flux in enamel ware manufacturing and so on.
Packing and storage: 25kg, 50kg net bags, store at a cool, dry and well ventilated place.
Standard executed: HG/T2517-93
Item |
Na3PO4 · 12H2O |
Industrial Grade |
Food Grade |
Assay, %≥ |
98.0 |
98.0 |
Phosphorus pentoxide, % ≥ |
18.3 |
18.3 |
Basicity (as Na2O), % |
15.5-19.0 |
15.5-19.0 |
Sulphate, %≤ |
0.50 |
0.50 |
Heavy metal (as Pb), %≤ |
-- |
0.001 |
Arsenic (As), %≤ |
-- |
0.0003 |
Fluoride (as F), %≤ |
-- |
0.005 |
Water insoluble, %≤ |
0.10 |
0.10 |
|