| Description | |
|---|---|
| Catalogue Number | 101208 |
| Product Information | |
|---|---|
| CAS number | 7783-18-8 |
| EC number | 231-982-0 |
| Hill Formula | H₈N₂O₃S₂ |
| Chemical formula | (NH₄)₂S₂O₃ |
| Molar Mass | 148.19 g/mol |
| HS Code | 2832 30 00 |
| Applications | |
|---|---|
| Application | Ammonium thiosulfate 98%+. CAS No. 7783-18-8, EC Number 231-982-0. |
| Physicochemical Information | |
|---|---|
| Density | 1.64 g/cm3 (23 °C) |
| Melting Point | 150 °C (decomposition) |
| pH value | 6.0 - 6.5 (50 g/l, H₂O, 20 °C) |
| Bulk density | 650 kg/m3 |
| Solubility | 1800 g/l |
| Toxicological Information | |
|---|---|
| LD 50 oral | LD50 Rat 2890 mg/kg |
| Safety Information according to GHS | |
|---|---|
| Storage class | 10 - 13 Other liquids and solids |
| WGK | WGK 1 slightly water endangering |
| Disposal | 14 Inorganic salts: Container I. Neutral solutions of the these salts: Container D. Before placing in Container D, check the pH with pH-Universal indicator strips (Item No. 109535). |
| Storage and Shipping Information | |
|---|---|
| Storage | Store at +5°C to +30°C. |
| Transport Information | |
|---|---|
| Declaration (railroad and road) ADR, RID | Kein Gefahrgut |
| Declaration (transport by air) IATA-DGR | No Dangerous Good |
| Declaration (transport by sea) IMDG-Code | No Dangerous Good |
| Specifications | |
|---|---|
| Assay (iodometric) | ≥ 98.0 % |
| pH-value (5 %; water) | 5.0 - 7.0 |
| Chloride (Cl) | ≤ 0.05 % |
| Sulfate and sulphite (as SO₄) | ≤ 1 % |
| Sulphide (S) | ≤ 0.001 % |
| Heavy metals (as Pb) | ≤ 0.002 % |
| Ca (Calcium) | ≤ 0.005 % |
| Fe (Iron) | ≤ 0.002 % |
| Na (Sodium) | ≤ 2 % |