Sodium thiosulfate pentahydrate - 96692
Code: 96692
Sodium thiosulfate pentahydrate
for mass spectrometry, ≥99.5% (T)
for mass spectrometry
CAS Number: 10102-17-7
Linear Formula: Na2S2O3 · 5H2O
Molar Mass: 248.18 g/mol
EC Number: 231-867-5
MDL Number: MFCD00149186
| 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 |
| Property |
Value |
| Freezing point |
48 °C |
| Density |
1.73 g/cm3 |
