Product Code: 1.4350
Neutronco
Potassium meta bisulfite(Potassium disulfide)
| Chemical formula | K2O5S2 |
| Density | 2.34 g/cm3 |
| Molar mass | 222.33 g/mol |
| CAS number | 16731-55-8 |
| EC index number | 240-795-3 |
| HS Code | 28322000 |
| Storage | without limitation |
| SDS | available |
| R phrase | R 31-37-41 |
| S phrase | S 26-39 |
| Odour | slightly pungent |
| Form | solid |
| Color | white |
| p H value | 3.0 – 4.5(50 g/l 20 °C) |
| Solubility in water | 449 g/l ( 20 ° C ) |
| Solubility in ethanol | insoluble |
| Melting point | 190 ° C |
| Vapoure pressure | low |
| Thermal decomposition | >150° C |
| Assay | ≥ | 96 | % |
| Description | Conforms | ||
| Solubility | Conforms | ||
| Identification | Conforms | ||
| In water insoluble matter | Conforms | ||
| Chloride | ≤ | 0/005 | % |
| Heavy metals | ≤ | 0/001 | % |
| Iron | ≤ | 0/001 | % |
| Zink | ≤ | 0/001 | % |
| Copper | ≤ | 0/001 | % |
