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Brand Fluka | CAS Numbers (All) | EC Number | Linear Formula Na2S2O3 · 5H2O | MDL Number |
Molar Mass 248.18 g/mol | RTECS Number 231-867-5 |
Property | Value |
---|---|
Identity | complying |
Assay | 99.0 - 101.0 % |
Assay (calculated on the anhydrous basis) | 99.0 - 100.5 % |
Loss on drying (vacuum, 16 h) | 32.0 - 37.0 % |
pH (10 %, 20°C) | 6.0 - 9.0 |
Arsenic (As) | Max. 0.0003 % |
Calcium (Ca) | Max. 0.005 % |
Iron (Fe) | Max. 0.001 % |
Heavy metals (as Pb) | Max. 0.0005 % |
Chloride (Cl) | Max. 0.05 % |
Sulfate and sulfite (as SO4) | Max. 0.2 % |
Sulfide (S) | complying |
Appearance of the solution | complying |
Residual solvents | complying |
Property | Value |
---|---|
Autoignition Temperature | Not auto-flammable |
Boiling Point/Range | Decomposes on heating. |
Color | colourless |
Concentration | 99-101% |
Density | 1.73 g/cm3 (20 °C) |
Flashpoint | Not applicable |
Form | Crystalline |
Grade | Reagent Pharmacopeia Salts |
Incompatible Materials | Incompatible with strong acids, oxidizers and nitrates. |
Lower Explosion Limit | Not applicable |
Melting Point/Range | 48 °C.Decomposition |
Partition Coefficient | No data available |
Purity Percentage | 99.00 |
Purity Details | 99.00-101.00% |
Solubility in Water | (0 °C) |
Upper Explosion Limit | Not applicable |
Vapor Density | 1.73 g/cm3 (20 °C) |
Vapor Pressure | No data available |
Viscosity | Not applicable |
pH-Value | 6.0 - 7.5 at100 g/l (25 °C) |
Product Line | Puriss. |
Storage Temperature | Room Temperature |
Property | Value |
---|---|
Hazard Class | N/A |
Package Group | N/A |
UN ID | N/A |
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