Description | |
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Catalogue Number | 101208 |
Product Information | |
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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 | |
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Application | Ammonium thiosulfate 98%+. CAS No. 7783-18-8, EC Number 231-982-0. |
Physicochemical Information | |
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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 | |
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LD 50 oral | LD50 Rat 2890 mg/kg |
Safety Information according to GHS | |
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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 | |
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Storage | Store at +5°C to +30°C. |
Transport Information | |
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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 | |
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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 % |