Potassium hydroxide
SIGALD/06005 - puriss., meets analytical specification of Ph. Eur., BP, 85-100.5%, pellets
Synonym: Caustic potash
CAS Number: 1310-58-3
Empirical Formula (Hill Notation): KOH
Molecular Weight: 56.11
EC Number: 215-181-3
MDL Number: MFCD00003553
Linear Formula: KOH
Product Type: Chemical
| anion traces | chloride (Cl-): ≤50 mg/kg |
| phosphate (PO43-): ≤10 mg/kg | |
| silicate (as SiO2): ≤100 mg/kg | |
| sulfate (SO42-): ≤20 mg/kg | |
| assay | 85-100.5% |
| cation traces | Al: ≤10 mg/kg |
| As: ≤3 mg/kg | |
| Ca: ≤20 mg/kg | |
| Fe: ≤10 mg/kg | |
| Na: ≤1% | |
| form | pellets |
| grade | puriss. |
| impurities | residual solvents, complies |
| ≤0.0005% heavy metals (as Pb) | |
| ≤0.0005% total nitrogen (N) | |
| ≤1% K2CO3 | |
| InChI | 1S/K.H2O/h;1H2/q+1;/p-1 |
| InChI key | KWYUFKZDYYNOTN-UHFFFAOYSA |
| mp | 361 °C (lit.) |
| pH | ~13.5 (25 °C, 5.6 g/L) |
| quality | meets analytical specification of Ph. Eur., BP |
| Quality Level | 200  |
| SMILES string | [OH-].[K+] |
| vapor pressure | 1 mmHg ( 719 °C) |
| General description: | Potassium hydroxide is an inorganic compound commonly known as caustic potash. It is frequently used to neutralize acids and prepare potassium salts of reagents. Additionally, NaOH is also employed in a variety of large-scale applications. |
| Symbol |   GHS05,GHS07 |
| Signal word | Danger |
| Hazard statements | H290 - H302 - H314 |
| Precautionary statements | P234 - P260 - P280 - P301 + P312 - P303 + P361 + P353 - P305 + P351 + P338 |
| Hazard Codes | C |
| Risk Statements | 22-35 |
| Safety Statements | 26-36/37/39-45 |
| RIDADR | UN 1813 8 / PGII |
| WGK Germany | WGK 1 |
| Flash Point(F) | Not applicable |
| Flash Point(C) | Not applicable |
| Purity | 85-100.5% |
| mp | 361 °C (lit.) |
| UNSPSC | 12352106 |