Sodium Thiosulfate Pentahydrate

Product Description
Product | Sodium Thiosulfate Pentahydrate |
CAS | 10102-17-7 |
Formula | Na2S2O3.5H2O |
Synonym | Sodium Hyposulfite |
Typical Product Specifications
Density | 1.69 |
Density (25ยฐC) | 1.685 g/l |
Iron | 0.002% Max |
Solubility in water | 42.7 |
Assay | 99% Min |
Heavy Metals | 0.001% Max |
Na2S2O3 (sodium thiosulfate) | 62% Min |
Sodium Sulfite | 0.2% Max |
pH | 6.5-8.0 |
Insolubility | in alcohol |
Odor | odorless |
Melting Point | 48 c |
Molecular weight | 248.18 |
Color | colorless crystal or granulated |
Solubility | water |
Chemical Structure | ![]() |
Notes | Packaging: 50 lb bags; 40 bags per pallet |
Class | Inorganic Chemicals: Nitrates, Phosphates, Oxides & more |

Find another Material
Enter a chemical name, synonym or CAS# below





