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| LC5116 Potassium sulfate cryst. suitable for use as excipient |
| Order number | Packaging | Quantity | Price € |
| AC32116 | Plastic bottle | 1 kg | inquire |
| AC32116 | Double PE Sack | 25 kg | inquire |
| Product information | |
| Synonyms | Potassium pyrosulfate |
| Hill Formula | K2O4S |
| Chemical formula | K2SO4 |
| HS Code | 3105 10 00 |
| EC number | 231-915-5 |
| Molar mass | 174.26 g/mol |
| CAS number | 7778-80-5 |
| Chemical and physical data | |
| Solubility | 111 g/l (20 °C) |
| Melting point | 1069 °C |
| Molar mass | 174.26 g/mol |
| Density | 2.66 g/cm3 (20 °C) |
| Bulk density | 800 kg/m3 |
| pH value | 5.5 – 7.5 (50 g/l, H2O, 20 °C) |
| Boiling point | 1689 °C (1013 hPa) |
| Safety information | |
| RTECS | TT5900000 |
| 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). |
| Transport information | |
| Declaration (transport by sea) IMDG-Code | No Dangerous Good |
| Declaration (transport by air) IATA-DGR | No Dangerous Good |
| Toxicological data | |
| LD 50 oral | LD50 rat 6600 mg/kg |
| Specifications | |
| Assay (alkalimetric, calculated on dried substance) | 99.0 – 101.0 % |
| Identity | passes test |
| Appearance of solution | passes test |
| Acidity or alkalinity | passes test |
| Chloride (Cl) | ≤ 0.004 % |
| Heavy metals (as Pb) | ≤ 0.001 % |
| As (Arsenic) | ≤ 0.0002 % |
| Ca (Calcium) | ≤ 0.02 % |
| Fe (Iron) | ≤ 0.001 % |
| Mg (Magnesium) | ≤ 0.002 % |
| Na (Sodium) | ≤ 0.01 % |
| Na (sodium) | passes test |
| Residual solvents (Ph.Eur./ICH) | excluded by manufacturing process |
| Loss on drying (130 °C) | ≤ 1.0 % |