POTASSIUM CARBONATE ANHYDROUS AR/ACS
Confirming to BP, USP
Article No. | Grade | Purity | CAS No. | Molecular Formula | Molecular Weight | H.S. Code | Shelf Life |
---|---|---|---|---|---|---|---|
SC2835 | AR/ACS | 99.50% | 584-08-7 | K2CO3 | 138.21 | 2836.4000 | 60 Months |
Packings
500 g,25 Kg,50 Kg |
Physical Properties
Physical state at 20 °C | Solid |
Colour | White crystalline |
Odour | Odorless |
pH value | 11 - 13 at 138 g/l at 25 °C |
Melting point/ Freezing point [°C] | 891 °C |
Density [g/cm3] | 2.43 |
Solubility in water [% weight] | 138 g/l at 20 °C - completely soluble |
Specifications
Appearance | Hygroscopic white crystalline powder or granules |
Assay (after drying at 300°C) | 99.5 - 100.5% |
Insoluble matter | Max 0.01% |
Loss on drying (at 300°C) | Max 0.5% |
Sulphur compounds (as SO4) | Max 0.004% |
Chloride (Cl) | Max 0.002% |
Phosphate (PO4) | Max 0.001% |
Silicate (SiO2) | Max 0.005% |
Calcium (Ca) | Max 0.001% |
Iron (Fe) | Max 0.0005% |
Magnesium (Mg) | Max 0.0005% |
Sodium (Na) | Max 0.02% |
Heavy metals (by ICP-OES) | Max 0.0005% |
Safety Information and Hazard Symbols
Symbol | GHS07 |
Signal Word | Warning |
UN No. | |
IMCO Class No. | |
Packing Group | |
Hazardous Statement | H302-H315-H319-H335 |
Precaution Statement | P261-P305 + P351 + P338 |
Risk Statement | |
Safety Statement |