Potassium Hydroxide

Potassium Hydroxide, with formula KOH, is a caustic compound of strong alkaline chemical dissolving readily in water, giving off much heat and forming a caustic solution.

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Detailed Description for Potassium Hydroxide

Potassium Hydroxide, commonly called caustic potash with formula KOH, is a caustic compound of strong alkaline chemical dissolving readily in water, giving off much heat and forming a caustic solution. It is a white deliquescent solid in the form of pellets obtained by concentration of purified electrolytic potassium hydroxide solution with very low chloride content. It reacts violently with acid and is corrosive in moist air toward metals such as zinc, aluminium, tin and lead forming a combustible, explosive gas. It absorbs rapidly carbon dioxide and water from air. Contact with moisture or water will generate heat. Sodium hydroxide (Caustic soda) and potassium hydroxide (Caustic potash) are the two most important caustics. They are closely resembles in chemical properties and applications, e.g., 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.

 

PHYSICAL AND CHEMICAL PROPERTIES

PHYSICAL STATE odorless white, deliquescent solid
MELTING POINT 360 C
BOILING POINT 1320 C
SPECIFIC GRAVITY 2.044
SOLUBILITY IN WATER

Soluble

pH 13.5 (0.1 molar solution)
VAPOR DENSITY  
AUTOIGNITION

 

NFPA RATINGS Health: 3; Flammability: 0; Reactivity: 1

REFRACTIVE INDEX

 
FLASH POINT Not combustible, but contact with water may generate heat
STABILITY Stable under ordinary conditions

 

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.


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