Functional Roles
Industries Served
Physical Properties
melting_point
680 u00b0F approximately (NTP, 1992)
boiling_point
greater than 266 u00b0F at 760 mmHg (USCG, 1999)
density
1.45 to 1.50 at 68 u00b0F (USCG, 1999)
solubility
107 g/100 cc at 59 u00b0F (NTP, 1992)
vapor_pressure
1 mmHg at 1326 u00b0F ; 5 mmHg at 1497 u00b0F (NTP, 1992)
ph
Strongly alkaline (1 % solution)
GHS / SDS Safety
Danger
Irritant
Acute Toxic
Health Hazard
Corrosive
- H290 (20.9%): May be corrosive to metals [Warning Corrosive to Metals]
- H370: Causes damage to organs [Danger Specific target organ toxicity, single exposure]
- H314 (99.4%): Causes severe skin burns and eye damage [Danger Skin corrosion/irritation]
- H402: Harmful to aquatic life [Hazardous to the aquatic environment, acute hazard]
- H302: Harmful if swallowed [Warning Acute toxicity, oral]
- H318 (24.7%): Causes serious eye damage [Danger Serious eye damage/eye irritation]
- H318: Causes serious eye damage [Danger Serious eye damage/eye irritation]
- H290: May be corrosive to metals [Warning Corrosive to Metals]
- H372: Causes damage to organs through prolonged or repeated exposure [Danger Specific target organ toxicity, repeated exposure]
- H301: Toxic if swallowed [Danger Acute toxicity, oral]
- H302 (96.1%): Harmful if swallowed [Warning Acute toxicity, oral]
- H304: May be fatal if swallowed and enters airways [Danger Aspiration hazard]
- H314: Causes severe skin burns and eye damage [Danger Skin corrosion/irritation]
Chemical Identity
| CAS Number | 1310-58-3 |
| IUPAC Name | potassium hydroxide |
| InChI Key | KWYUFKZDYYNOTN-UHFFFAOYSA-M |
| PubChem CID | 14797 |
| INCI Name | POTASSIUM HYDROXIDE |
Synonyms & Trade Names
Full Description
Potassium Hydroxide (KOH) is a strong inorganic base used as a pH adjustment agent across multiple industrial sectors including agriculture, HI&I cleaning, industrial manufacturing, mining, and oil & gas. This highly caustic, water-soluble solid serves critical roles in chemical processing, soap manufacturing, and alkaline cleaning formulations.