Molecular Formula: NaH2PO4; NaH2PO4.2H2O
Molecular Weight: 119.98; 156.01
CAS NO: 7758-80-7(Anhydrous); 13472-35-0(Dihydrate)
Standard erecuted: HG/T 2767-2009
Appearance: White powder or granule, colorless to white crystal.
Uses: Used in boiler water treatment, electroplating, tanning, dye additives, metal cleaning and so on.
Packing: 25Kg, 50Kg bag; Container ton bag; Customer requirements.
Technical indicator: HG/T 2767-2009
Specification
Item |
Industrial grade |
|
NaH2PO4.2H2O |
NaH2PO4 |
|
Sodium dihydrogen phosphate (NaH2PO4.2H2O), w/% ≥ |
98.0 |
98.0 |
(NaH2PO4)(as dry basis), w/% ≥ |
||
Water insoluble matter, w/%≤ |
0.10 |
0.20 |
Ferrum (Fe), w/% |
0.05 |
0.05 |
Arsenic (As),W/% ≤ |
0.01 |
0.01 |
Sulfate (as SO4), W/% ≤ |
0.5 |
0.5 |
Chloride (as Cl), W/% ≤ |
0.40 |
0.40 |
PH (10g/L solution) |
4.2-4.6 |
4.2-4.6 |
Fluorine (F),w/% ≤ |
0.05 |
0.05 |
Drying loss (NaH2PO4)w/% ≤ |
- |
2.0 |