Sodium thiosulphate pentahydrate ≥99.5%, Puriss. p.a. ACS, ISO, Reag. Ph. Eur., Fluka™
Supplier: Honeywell Chemicals
31459-1KG
31459-5KG
31459-6X1KG
HONC31459-1KGEA
265
SGD
HONC31459-1KG
HONC31459-5KG
HONC31459-6X1KG
Sodium thiosulphate pentahydrate ≥99.5%, Puriss. p.a. ACS, ISO, Reag. Ph. Eur., Fluka™
Sodium thiosulphate pentahydrate
Formula:
Na₂S₂O₃.5H₂O MW: 248,19 g/mol Boiling Pt: Decomposes on heating Melting Pt: 48 °C (dec.) Density: 1,73 g/cm³ (20 °C) Storage Temperature: Ambient |
MDL Number:
MFCD00149186 CAS Number: 10102-17-7 EINECS: 231-867-5 Merck Index: 12,08844 |
Specification Test Results
Assay | Min. 99.5 % |
Water insoluble matter | Max. 0.005 % |
pH (5 %, 25 °C) | 6.0 - 7.5 |
pH (10 %, 20°C) | 6.0 - 8.4 |
Calcium (Ca) | Max. 0.002 % |
Copper (Cu) | Max. 0.0005 % |
Iron (Fe) | Max. 0.0005 % |
Potassium (K) | Max. 0.001 % |
Magnesium (Mg) | Max. 0.001 % |
Lead (Pb) | Max. 0.0005 % |
Chloride (Cl) | Max. 0.01 % |
Sulfate and sulfite (as SO₄) | Max. 0.1 % |
Sulfide (S) | Max. 0.0001 % |
Total N | Max. 0.002 % |
Appearance of the solution | complying |
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