Potassium hydroxide
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.
General
Name
Potassium hydroxide
Chemical formula
KOH
Appearance
White solid
Physical
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
Thermochemistry
ΔfH0gas
-232 kJ/mol
ΔfH0liquid
-415.6 kJ/mol
ΔfH0solid
-425 kJ/mol
S0solid
79 J/mol·K
Safety
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.html)
SI units were used where possible. Unless otherwise stated, standard conditions were used.