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13481
Honeywell
Sodium thiosulfate
SKU
13481
Anhydrous
Synonym(s)
Sodium Thiosulfate Solution
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| Brand Honeywell | CAS Numbers (All) | EC Number | Linear Formula Na2S2O3 | MDL Number |
| Molar Mass 158.11 g/mol | Synonyms Sodium Thiosulfate Solution |
Documents
Specifications
| Property | Value |
|---|---|
| Assay (calculated to the dried substance) | Min. 98 % |
| Loss on drying (105°C, 2 h) | Max. 2 % |
| pH (5 %, 20°C) | 6.0 - 8.5 |
| Iron (Fe) | Max. 0.005 % |
| Heavy metals (as Pb) | Max. 0.005 % |
| Chloride (Cl) | Max. 0.15 % |
| Sulfate and sulfite (as SO4) | Max. 1 % |
Properties
| Property | Value |
|---|---|
| Boiling Point/Range | Decomposes on heating |
| Color | Colorless |
| Density | 1.67 g/cm3 (20 °C) |
| Flashpoint | Not applicable |
| Form | Solid |
| Grade | Reagent Grade |
| Incompatible Materials | Oxidizing agents, Acids |
| Lower Explosion Limit | Not applicable |
| Melting Point/Range | No data available |
| Partition Coefficient | No data available |
| Solubility in Water | 210 g/l (20 °C) |
| Upper Explosion Limit | Not applicable |
| Vapor Pressure | Negligible |
| Viscosity | No data available |
| pH-Value | 6.0-8.5 at 50 g/l (20 °C) |
| Product Line | Puriss. |
| Storage Temperature | Ambient |
Safety Information
| Property | Value |
|---|---|
| Hazard Class | N/A |
| Package Group | N/A |
| UN ID | N/A |
