Sodium thiosulfate pentahydrate ≥99.5%, crystals, AR®, Macron Fine Chemicals™
Supplier: AVANTOR PERFORMANCE MATERIAL LLC
MOC: Non-Regulated
About this item
CAS Number:10102-17-7
:
Formula:Na₂S₂O₃.5H₂O
MDL Number:MFCD00149186
:248.19 g/mol
Merck Index:12,08844
Melting Pt:48 °C
Density:1.67 g/cm³ (20 °C)
Storage Temperature:Ambient
EINECS:231-867-5
Specification Test Results
- Assay (Na₂S₂O₃·5H₂O):99.5 - 101.0 %
- Appearance (colorless, transparent crystals):Passes Test
- Insoluble Matter:≤0.005 %
- Nitrogen Compounds (as N):≤0.002 %
- pH of 5% Solution at 25°C:6.0 - 8.4
- Solubility:Passes Test
- Sulfate and Sulfite (as SO₄):≤0.1 %
- Sulfide (S):Passes Test
Specification Test Results
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