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96692
Fluka
Sodium thiosulfate pentahydrate
SKU
96692
for mass spectrometry, ≥99.5% (T)
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General Information:
- Leading the industry for over 65 years
- Honeywell now delivers Fluka™ premium grade inorganic reagents worldwide – with consistency, purity and accuracy assured
| Brand Fluka | CAS Numbers (All) | EC Number | Linear Formula Na2S2O3 · 5H2O | MDL Number |
| Molar Mass 248.18 g/mol |
Documents
Specifications
| Property | Value |
|---|---|
| Assay | 99.5 - 101.0 % |
| pH (1 M, 20°C) | 6.0 - 7.5 |
| Solution 1 M in H2O | complying |
| Filter test | complying |
| Aluminium (Al) | Max. 1 ppm |
| Barium (Ba) | Max. 1 ppm |
| Bismuth (Bi) | Max. 1 ppm |
| Calcium (Ca) | Max. 5 ppm |
| Cadmium (Cd) | Max. 1 ppm |
| Cobalt (Co) | Max. 1 ppm |
| Chromium (Cr) | Max. 1 ppm |
| Copper (Cu) | Max. 1 ppm |
| Iron (Fe) | Max. 1 ppm |
| Potassium (K) | Max. 10 ppm |
| Lithium (Li) | Max. 1 ppm |
| Magnesium (Mg) | Max. 1 ppm |
| Manganese (Mn) | Max. 1 ppm |
| Molybdenum (Mo) | Max. 1 ppm |
| Nickel (Ni) | Max. 1 ppm |
| Lead (Pb) | Max. 1 ppm |
| Strontium (Sr) | Max. 1 ppm |
| Zinc (Zn) | Max. 1 ppm |
| Sulfide (S) | Max. 1 ppm |
| Chloride (Cl) | Max. 50 ppm |
| Sulfate and sulfite (as SO4) | Max. 500 ppm |
| Total N | Max. 0.002 % |
| UV- cutoff | Max. 290.0 nm |
Properties
| Property | Value |
|---|---|
| Autoignition Temperature | Not auto-flammable |
| Boiling Point/Range | Decomposes on heating |
| Color | Colorless |
| Density | 1.73 g/cm3 (20 °C) |
| Flashpoint | Not applicable |
| Form | Crystalline |
| Grade | UV-Spectroscopy Grade |
| 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 | 99.50 |
| Purity Details | >=99.50% |
| Solubility in Water | 794 g/l (0 °C) |
| Upper Explosion Limit | Not applicable |
| Vapor Pressure | No data available |
| Viscosity | Not applicable |
| pH-Value | 6.0-8.4 at 100 g/l (20 °C) |
| Storage Temperature | Ambient |
Safety Information
| Property | Value |
|---|---|
| Hazard Class | N/A |
| Package Group | N/A |
| UN ID | N/A |
