Cuastic Pottash (POTASSIUM HYDROXIDE)

Potassium hydroxide is an inorganic compound with the formula KOH, and is commonly called caustic potash.

Along with sodium hydroxide (NaOH), KOH is a prototypical strong base. It has many industrial and niche applications, most of which exploit its caustic nature and its reactivity toward acids. An estimated 700,000 to 800,000 tonnes were produced in 2005. KOH is noteworthy as the precursor to most soft and liquid soaps, as well as numerous potassium-containing chemicals. It is a white solid that is dangerously corrosive.

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Application

” In manufacturing liquid soap, in bleaching, and in manufacturing chemicals. Potassium hydroxide is the largest-volume potassium chemical for non-fertilizer use. Potassium Hydroxide is used in chemical manufacturing including potassium carbonate and other potassium chemicals, fertilizers, phosphates, agrochemicals, alkaline batteries and dyes.
APPLICATIONS: Potassium Hydroxide is used in chemical manufacturing including potassium carbonate and other potassium chemicals, fertilizers, phosphates, agrochemicals, alkaline batteries and dyes. It is also widely used in soap and bleaching industry.”

Chemical formula

KOH
Molar mass

56.11 g mol−1
Appearance

white solid, deliquescent
Odor

odorless
Density

2.044 g/cm3 (20 °C)[1]
2.12 g/cm3 (25 °C)
Melting point

410[3][4] °C (770 °F; 683 K)
Boiling point

1,327 °C (2,421 °F; 1,600 K)
Solubility in water

85 g/100 mL (-23.2 °C)
97 g/100 mL (0 °C)
121 g/100 mL (25 °C)
138.3 g/100 mL (50 °C)
162.9 g/100 mL (100 °C)
Solubility

soluble in alcohol, glycerol
insoluble in ether, liquid ammonia
Solubility in methanol

55 g/100 g (28 °C)
Solubility in isopropanol

~14 g / 100 g (28 °C)
Acidity (pKa)

14.7
Magnetic susceptibility (χ)

−22.0·10−6 cm3/mol
Refractive index (nD)

1.409 (20 °C)

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