Article No. | Grade | Purity | Cas no. | Molecular Formula | Molecular Weight | H.S. Code | Shelf Life |
---|---|---|---|---|---|---|---|
S0197105000 | AR | 99% | 6381-59-5 | C4H4KNaO6.4H2O | 282.22 | 2918.1390 |
60 Months |
Physical state at 20 °C
Solid
Colour
Colorless crystalline
Odour
Odorless
pH value
7.0 - 8.5
Melting Point/ Freezing point [°C]
70°C
Boiling point [°C]
220°C
Density [g/cm3]
1.79
Solubility in water [% weight]
Soluble in water
Appearance: |
Colorless crystalline powder |
Insoluble matter: |
Max 0.005% |
Chloride (Cl): |
Max 0.0005% |
Sulphate (SO4): |
Max 0.005% |
Heavy metal (as Pb): |
Max 0.0005% |
Iron (Fe): |
Max 0.0005% |
Copper (Cu): |
Max 0.0005% |
Assay: |
99 - 102% |
Calcium (Ca): |
Max 0.004% |
Ammonium (NH4): |
Max 0.002% |
Phosphate (PO4): |
Max 0.001% |
pH (5% solution in water; 20°C): |
7 - 8.5 |