Article No. | Grade | Purity | Cas no. | Molecular Formula | Molecular Weight | H.S. Code | Shelf Life |
---|---|---|---|---|---|---|---|
S0187500500 | AR | 99% | 6132-04-3 | C6H5Na3O7.2H2O | 294.10 | 2918.1520 |
60 Months |
Physical state at 20 °C
Solid
Colour
White crystalline
Odour
Odorless
pH value
7.5 - 9 at 29.4 g/l at 25 °C
Melting Point/ Freezing point [°C]
> 300 °C
Density [g/cm3]
1.665
Solubility in water [% weight]
29.4 g/l at 20 °C - completely soluble
Appearance: |
White crystalline powder |
Water (by KF): |
11.0 - 13.0% |
Insoluble matter: |
Max 0.005% |
Chloride (Cl): |
Max 0.003% |
Sulphate (SO4): |
Max 0.005% |
Iron (Fe): |
Max 0.0005% |
Identity: |
Passes test |
Calcium (Ca): |
Max 0.005% |
Ammonium (NH4): |
Max 0.003% |
Acidity or alkalinity: |
Passes test |
Assay (by HClO4 titration): |
99 - 100.5% |
Heavy metals (by ICP-OES): |
Max 0.0005% |
Readily carbonisable substance: |
Passes test |
Oxalate (as C2H2O4): |
Max 0.01% |
Appearance of solution (100 g/L): |
Clear and colorless |
pH (50 mg/mL in water; 25°C): |
7.5 - 9.0 |
Loss on drying (180°C; 18 hrs): |
10.0 - 13.0% |
Tartarate (C4H6): |
Passes test |