Sodium acetate anhydrous
【Another name】Sodium acetate.
【Description】Colorless transparent crystal or white particles, weathering in dry air, relative density 1.45, melting point 58℃, 123℃ lose all water of crystal, decomposition at high temperature. Soluble in water, aqueous solution is alkaline.
|
Test items |
GR |
AR |
CP |
Other |
|
Assay(CH3COONa) /% |
≥99.0 |
≥99.0 |
≥98.5 |
Custom |
|
pH(50g/L,25℃) |
7.5-9.0 |
7.5-9.0 |
7.5-9.0 |
|
|
Clarity of solution /# |
≤3 |
≤3 |
≤5 |
|
|
Water insoluble /% |
≤0.005 |
≤0.005 |
≤0.01 |
|
| Chloride(Cl) /% |
≤0.001 |
≤0.002 |
≤0.005 |
|
| Sulfate(SO4) /% |
≤0.003 |
≤0.003 |
≤0.01 |
|
|
Phosphate(PO4) /% |
≤0.000 5 |
≤0.000 5 |
≤0.001 |
|
|
Magnesium(Mg) /% |
≤0.000 5 |
≤0.000 5 |
≤0.001 |
|
|
Aluminum(Al) /% |
≤0.001 |
≤0.001 |
≤0.002 |
|
|
Potassium(K) /% |
≤0.002 |
- |
- |
|
|
Calcium(Ca) /% |
≤0.001 |
≤0.005 |
≤0.005 |
|
|
Iron(Fe) /% |
≤0.000 5 |
≤0.000 5 |
≤0.001 |
|
|
Heavy metals (as Pb) /% |
≤0.001 |
≤0.001 |
≤0.002 |
【Use】Food additives;Analyticalreagent;Mordants;Buffer;Pharmaceutical excipients;Precipitant and masking agent;Organic synthetic and photographic drugs;pigment.