Article No. | Grade | Purity | Cas no. | Molecular Formula | Molecular Weight | H.S. Code | Shelf Life |
---|---|---|---|---|---|---|---|
S0193300500 | LR | 99% | 10102-17-7 | Na2S2O3.5H2O | 248.17 | 2832.3010 |
60 Months |
Physical state at 20 °C
Solid
Colour
Colorless crystals
Odour
Odorless
pH value
6 - 8.5
Melting Point/ Freezing point [°C]
48°C
Boiling point [°C]
> 100°C
Density [g/cm3]
1.75
Solubility in water [% weight]
79g/100 ml water @ 40C
Appearance: |
Large, colourless crystals or coarse crystalline powder |
Chloride (Cl): |
Max 0.05% |
Heavy metal (as Pb): |
Max 0.001% |
Water (H2O): |
32.0 - 37.0% |
Identity: |
Passes test |
Calcium (Ca): |
Passes test |
Appearance of solution: |
Passes test |
Assay (iodometric): |
99-100.5% |
Sulphide (S): |
Passes test |
pH (5% solution in water): |
6.0 - 8.4 |
Sulphate and Sulphite (as SO4): |
Max 0.2% |