
Potassium hydroxide
CAS NO.: 1310-58-3
Molecular Formula: KOH
Molecular Weight: 56.11
Potassium hydroxide is a white, hygroscopic solid and a highly caustic alkali, often referred to as caustic potash. It is highly soluble in water, releasing heat, and is an essential industrial base.
Main Applications:
Used in the manufacture of potassium carbonate, liquid fertilizers, biodiesel, soaps, detergents, and in pH control. Also applied in electroplating and chemical synthesis.
Typical Properties:
Property |
Value |
Appearance |
White solid (flakes, pellets, or powders) |
Assay |
≥90.0% |
Melting Point |
360°C |
Boiling Point |
1327°C |
Density |
2.044 g/cm³ |
Solubility in Water (20°C) |
121 g/100 mL |
Flash Point |
Non-flammable |
Storage |
Store in a tightly closed container in a cool, dry place |

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