Sodium Thiosulfate Pentahydrate Pure 2.5Kg
Sodium thiosulfate pentahydrate pure. CAS 10102-17-7, pH 6.0 - 7.5 (100 g/l, H₂O, 20 °C).
Manufacturer: Merck
Catalog ID: 106513.2500
Stock: In Stock
Description
| Catalogue Number | 106513 |
| Synonyms | Antichlor |
Product Information
| CAS number | 10102-17-7 |
| EC number | 231-867-5 |
| Hill Formula | Na₂O₃S₂ * 5 H₂O |
| Molar Mass | 248.21 g/mol |
| HS Code | 2832 30 00 |
Applications
| Application | Sodium thiosulfate pentahydrate pure. CAS 10102-17-7, pH 6.0 - 7.5 (100 g/l, H₂O, 20 °C). |
Physicochemical Information
| Density | 1.74 g/cm3 (20 °C) |
| Melting Point | 48 °C |
| pH value | 6.0 - 7.5 (100 g/l, H₂O, 20 °C) |
| Bulk density | 1000 kg/m3 |
| Solubility | 701 g/l |
Toxicological Information
| LD 50 oral | LD50 Rat > 5000 mg/kg |
Storage and Shipping Information
| Storage | Store at +15°C to +25°C. |
Specifications
| Assay (iodometric) | ≥ 98.5 % |
| Identity | passes test |
| pH-value (10 %; water) | 6.0 - 9.0 |
| Sulfate and sulphite (as SO₄) | ≤ 0.6 % |
| Ca (Calcium) and Mg (Magnesium) | ≤ 0.2 % |
| Fe (Iron) | ≤ 0.005 % |
| Water | 32.0 - 38.0 % |
