Potassium carbonate
SIGALD/12611 - puriss., meets analytical specification of Ph. Helv., anhydrous, granulated, 99-101% (calc. to the dried substance)
CAS Number: 584-08-7
Empirical Formula (Hill Notation): CK2O3
Molecular Weight: 138.21
EC Number: 209-529-3
MDL Number: MFCD00011382
Linear Formula: K2CO3
Product Type: Chemical
| anion traces | chloride (Cl-): ≤20 mg/kg |
| sulfate (SO42-): ≤20 mg/kg | |
| assay | 99-101% (calc. to the dried substance) |
| cation traces | As: ≤1 mg/kg |
| Ca: ≤50 mg/kg | |
| Fe: ≤10 mg/kg | |
| Mg: ≤50 mg/kg | |
| Na: ≤2000 mg/kg | |
| form | powder or crystals |
| grade | puriss. |
| impurities | residual solvents, complies |
| ≤0.001% heavy metals (as Pb) | |
| InChI | 1S/CH2O3.2K/c2-1(3)4;;/h( |
| InChI key | BWHMMNNQKKPAPP-UHFFFAOYSA |
| loss | ≤1% loss on drying, 120 °C, 5 h |
| mp | 891 °C (lit.) |
| pH | 11-13 (25 °C, 138 g/L) |
| quality | granulated |
| meets analytical specification of Ph. Helv. | |
| Quality Level | 100  |
| SMILES string | [K+].[K+].[O-]C([O-])=O |
| suitability | complies for appearance of solution |
| Symbol |  GHS07 |
| Signal word | Warning |
| Hazard statements | H315 - H319 - H335 |
| Precautionary statements | P261 - P264 - P271 - P280 - P302 + P352 - P305 + P351 + P338 |
| Hazard Codes | Xn |
| Risk Statements | 22-36/37/38 |
| Safety Statements | 26-36 |
| RIDADR | NONH for all modes of transport |
| WGK Germany | WGK 1 |
| Flash Point(F) | Not applicable |
| Flash Point(C) | Not applicable |
| Purity | 99-101% (calc. to the dried substance) |
| mp | 891 °C (lit.) |
| UNSPSC | 12352300 |