Sodium thiosulphate pentahydrate 99.0-101.0% (by iodometry), crystallised, EMPROVE® ESSENTIAL Ph. Eur., BP, USP, SAFC®
:10102-17-7
:
:Na₂S₂O₃.5H₂O
:MFCD00149186
:248.19 g/mol
:12,08844
:48 °C
:1.67 g/cm³ (20 °C)
:Ambient
:231-867-5
- Assay (iodometric):99.0 - 101.0 %
- Assay (iodometric, calc.on anhydrous substance):99.0 - 100.5 %
- Identity:passes test
- Appearance of solution:passes test
- pH-value (10 %; water):6.0 - 8.4
- Sulfate and sulphite (as SO₄):≤ 0.2 %
- Sulfide (S):passes test
- Heavy metals (as Pb):≤ 0.001 %
- Ca (Calcium):passes test
- Residual solvents (ICH Q3C):excluded by manufacturing process
- Water:32.0 - 37.0 %