Encyclopedia > Potassium hydroxide

  Article Content

Potassium hydroxide

Name Potassium hydroxide
Chemical formula KOH
Appearance White solid
Formula weight 56.1 amu
Melting point 679 K (406 °C)
Boiling point 1593 K (1320 °C)
Density 2.0 ×103 kg/m3
Crystal structure ?
Solubility 119 g in 100g water
ΔfH0gas -232 kJ/mol
ΔfH0liquid -415.6 kJ/mol
ΔfH0solid -425 kJ/mol
S0solid 79 J/mol·K
Ingestion Very dangerous, may cause permanent GI damage, even death.
Inhalation Very dangerous, high doses may cause serious injury. Long-term hazards also known.
Skin Causes burns, ranging from a rash up to deep ulcers.
Eyes As for skin, may cause irreversible damage.
More info Hazardous Chemical Database (http://ull.chemistry.uakron.edu/erd/chemicals/7/6963)
SI units were used where possible. Unless otherwise stated, standard conditions were used.

Disclaimer and references

Potassium hydroxide is a chemical compound with the formula KOH. It is sometimes known as caustic potash. It is a very alkaline compound used in agriculture to correct the pH of acidic soils. It can also be used as a fungicide or even a herbicide.

All Wikipedia text is available under the terms of the GNU Free Documentation License

  Search Encyclopedia

Search over one million articles, find something about almost anything!
  Featured Article
Line Islands

... Island[?], and their attendant islets. They are so named because they were frequented for their guano by traders from the United States. Christmas Island is probably ...