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thiosulfuric acid (h2s2o3) dechlorinating solution hydrogen sulfurothioate
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basic information: Sodium thiosulfate CAS no. 7772-98-7
Product Name | Sodium thiosulfate |
Synonyms | DECHLORINATING SOLUTION;HYPO;'HYPO';BETZ 0235;ANTICHLOR;SODIUM HYPOSULFITE;SODIUM THIOSULFATE;SODIUM THIOSULFATE, 2.00 N |
CAS | 7772-98-7 |
MF | Na2O3S2 |
MW | 158.11 |
EINECS | 231-867-5 |
Product Categories | Inorganics;Essential Chemicals;Reagent Plus;Routine Reagents;DetergentsSynthetic Reagents;Core Bioreagents;Research Essentials;Reference Material Potassium iodateTitration;Concentrates (e.g. FIXANAL);Salt Concentrates;S - ZSynthetic Reagents;Salts;Sodium Salts;SodiumMetal and Ceramic Science;Inorganic Salts;Synthetic Reagents;Reference Material Potassium iodateVolumetric Solutions;Salt solutionsSynthetic Reagents;By Reference Material;S - ZTitration;Salt Solutions;Solution containers (VOLPAC);Volumetric Solutions;Hematology and Histology;Histology Special Stains;Chemical Synthesis;Inorganic Salts;Materials Science;Metal and Ceramic Science;Sodium;Sodium Salts;Synthetic Reagents |
Chemical Properties: Sodium thiosulfate CAS no. 7772-98-7
Melting point | 48°C |
Boiling point | 100°C |
density | 1.01 g/mL at 25 °C |
PH | 6.0-8.5 (25℃, 50mg/mL in H2O) |
storage temp. | 2-8°C |
solubility | Immiscible with alcohol. |
Water Solubility | Soluble in water. Insoluble in alcohol. |
Merck | 14,8694 |
Spec.: Sodium thiosulfate CAS no. 7772-98-7
Test |
Specification | Result |
Appearance | colorless transparent | pass |
purity |
≥98.0% | 98.53% |
insoluble substance in water |
≤0.03% | <0.03% |
Sulphide |
≤0.003% | <0.003% |
Fe |
≤0.003% | <0.003% |
PH |
6.5~9.5 |
8.3 |
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