Sodium thiosulphate pentahydrate 99-101%, Puriss., meets analytical specification of BP, Ph. Eur., USP, Fluka™
Supplier: Honeywell Chemicals
13479-5KG
13479-500G
13479-2.5KG
HONC13479-5KGEA
859
SGD
HONC13479-5KG
HONC13479-500G
HONC13479-2.5KG
Sodium thiosulphate pentahydrate 99-101%, Puriss., meets analytical specification of BP, Ph. Eur., USP, 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: Room Temperature |
MDL Number:
MFCD00149186 CAS Number: 10102-17-7 EINECS: 231-867-5 Merck Index: 12,08844 |
Specification Test Results
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 |
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