| Formula / Notation | KOH |
|---|---|
| CAS Number | 1310-58-3 |
| Molecular Weight | 56.106 |
| Melting Point | 680 °F approximately (NTP, 1992) |
| Boiling Point | greater than 266 °F at 760 mmHg (USCG, 1999) |
| Density | 1.45 to 1.50 at 68 °F (USCG, 1999) |
| Solubility | 107 g/100 cc at 59 °F (NTP, 1992) |
| Appearance | Potassium hydroxide, solution appears as an clear aqueous solution. Corrosive to metals and tissue. Noncombustible. Used in chemical manufacturing, petroleum refining, cleaning compounds. |
| Also Known As | 1310-58-3; Caustic potash; Potash lye; Potassium hydrate; Hydroxyde de potassium; Potassa; Potasse caustique; Potassium hydroxide (K(OH)); Caustic-potash; Kali causticum |
| Category | Bases & Alkalis |
What is Potassium hydroxide?
Potassium hydroxide (KOH) is a base or alkali that appears as Potassium hydroxide, solution appears as an clear aqueous solution. Corrosive to metals and tissue. Noncombustible. Used in chemical manufacturing, petroleum refining, cleaning compounds.. It has a molecular weight of 56.106 g/mol. Boiling point: greater than 266 °F at 760 mmHg (USCG, 1999). Melting point: 680 °F approximately (NTP, 1992).
Formula & Notation
IUPAC Name: potassium hydroxide
Other Names / Synonyms: 1310-58-3; Caustic potash; Potash lye; Potassium hydrate; Hydroxyde de potassium; Potassa; Potasse caustique; Potassium hydroxide (K(OH)); Caustic-potash; Kali causticum
Properties & Characteristics
Physical Data
| Property | Value |
|---|---|
| Melting Point | 680 °F approximately (NTP, 1992) |
| Boiling Point | greater than 266 °F at 760 mmHg (USCG, 1999) |
| Density | 1.45 to 1.50 at 68 °F (USCG, 1999) |
| Molecular Weight | 56.106 |
| Solubility | 107 g/100 cc at 59 °F (NTP, 1992) |
| Appearance | Potassium hydroxide, solution appears as an clear aqueous solution. Corrosive to metals and tissue. Noncombustible. Used in chemical manufacturing, petroleum refining, cleaning compounds. |
Uses & Applications
Safety Information
Always consult the SDS/MSDS before handling any chemical. This information is for educational purposes only.
Key Facts
Frequently Asked Questions
Potassium hydroxide (KOH) is a base or alkali that appears as Potassium hydroxide, solution appears as an clear aqueous solution. Corrosive to metals and tissue. Noncombustible. Used in chemical manufacturing, petroleum refining, cleaning compounds.. It has a molecular weight of 56.106 g/mol. Boiling point: greater than 266 °F at 760 mmHg (USCG, 1999). Melting point: 680 °F approximately (NTP, 1992).
Used in chemical manufacturing, pH adjustment, saponification, water treatment, and as a laboratory reagent.
Corrosive or irritant. Causes burns to skin and eyes. Store away from acids. Wear protective gloves and goggles. Consult SDS before use.
The formula or notation for Potassium hydroxide is: KOH