Potassium carbonate
SIGALD/12611 - meets analytical specification of Ph. Helv., puriss., 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 | ![]() |
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 |