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.