Molecular Formula: NaH2PO4
Molecular Weight: 120.005
Properties: white crystal powder, m.p. 190 ℃ , easily soluble in water, aqueous solution is acidity, insoluble in ethanol;. easily deliquescence in the air.
Uses: As auxiliary agent of reactive dyes; also used in the preparation of composite phosphate; good fluidity.
Packing and storage: 25Kg, 50Kg bagged, stored in draughty, dry and clean place, avoid moisture.
Standard executed: Reference standard
|
Item |
Specs. |
|
Assay (NaH2PO4), % |
98-103 |
|
P2O5, % ≥ |
58.5 |
|
Na2O, %≥ |
25.6 |
|
pH, 1% solution |
4.2-4.8 |
|
Loss on drying, %≤ |
2.0 |
|
Fineness (through 420μm sieve), %≥ |
95 |