Potassium hydroxide
SIGALD/306568 - semiconductor grade, pellets, 99.99% trace metals basis (Purity excludes sodium content.)
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
assay | 99.99% trace metals basis (Purity excludes sodium content.) |
cation traces | Na: ≤500.0 ppm |
composition | KOH, >85.0% |
form | pellets |
grade | semiconductor grade |
impurities | 15% water |
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 Level | 200 ![]() |
SMILES string | [OH-].[K+] |
vapor pressure | 1 mmHg ( 719 °C) |
Application: | In combination with tellurium powder, mediates the quantitative pinacolization of aromatic carbonyl compounds. |
Application: | Potassium hydroxide can be used: • As a base in the synthesis of imines, starting from amines and alcohols. • As a base in β-alkylation of secondary alcohols with primary alcohols without any transition metal catalyst. • In combination with aluminium for pinacolization of aromatic aldehydes and reduction of hindered ketones. • As a precipitating agent in the synthesis of MnZn ferrites nanoparticles (Mn0.8Zn0.2Fe2O4 ferrite nanoparticles) by modified hydrothermal method. |
General description: | Potassium hydroxide (KOH), also known as caustic potash. It is used as a significant precursor to many potassium containing products. |
Packaging: | 100, 500 g in poly bottle |
Symbol | ![]() ![]() |
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 | 99.99% trace metals basis (Purity excludes sodium content.) |
mp | 361 °C (lit.) |
UNSPSC | 12352106 |