Potassium chlorate is a compound containing potassium

Potassium

Potassium is the chemical element with the symbol K and atomic number 19. Elemental potassium is a soft silvery-white alkali metal that oxidizes rapidly in air and is very reactive with water, generating sufficient heat to ignite the hydrogen emitted in the reaction.Potassium and sodium are...

, chlorine

Chlorine

Chlorine is the chemical element with atomic number 17 and symbol Cl. It is the second lightest halogen, found in the periodic table in group 17. The element forms diatomic molecules under standard conditions, called dichlorine...

 and oxygen

Oxygen

Oxygen is the element with atomic number 8 and represented by the symbol O. Its name derives from the Greek roots ὀξύς and -γενής , because at the time of naming, it was mistakenly thought that all acids required oxygen in their composition...

 atoms, with the molecular formula KClO₃. In its pure form, it is a white crystalline substance. It is the most common chlorate

Chlorate

The chlorate anion has the formula ClO. In this case, the chlorine atom is in the +5 oxidation state. "Chlorate" can also refer to chemical compounds containing this anion; chlorates are the salts of chloric acid. "Chlorate", when followed by a roman numeral in parentheses, e.g...

 in industrial use. It is used

• as an oxidizing agent
  Oxidizing agent
  An oxidizing agent can be defined as a substance that removes electrons from another reactant in a redox chemical reaction...
  
  ,
• to prepare oxygen
  Oxygen
  Oxygen is the element with atomic number 8 and represented by the symbol O. Its name derives from the Greek roots ὀξύς and -γενής , because at the time of naming, it was mistakenly thought that all acids required oxygen in their composition...
  
  ,
• as a disinfectant,
• in safety match
  Match
  A match is a tool for starting a fire under controlled conditions. A typical modern match is made of a small wooden stick or stiff paper. One end is coated with a material that can be ignited by frictional heat generated by striking the match against a suitable surface...
  
  es,
• in explosives and fireworks
  Fireworks
  Fireworks are a class of explosive pyrotechnic devices used for aesthetic and entertainment purposes. The most common use of a firework is as part of a fireworks display. A fireworks event is a display of the effects produced by firework devices...
  
  ,
• in cultivation, forcing the blossoming stage of the Longan
  Longan
  Dimocarpus longan, commonly known as the longan, is a tropical tree native to South and Southeast Asia, in the Indomalaya ecozone known for its edible fruit.-Vernacular names:The fruit is known as longan or longyan in English...
  
   tree, causing it to produce fruit in warmer climates.

The compound is industrially produced by passing chlorine into the hot milk of lime, subsequently adding the potassium chloride

Potassium chloride

The chemical compound potassium chloride is a metal halide salt composed of potassium and chlorine. In its pure state, it is odorless and has a white or colorless vitreous crystal appearance, with a crystal structure that cleaves easily in three directions. Potassium chloride crystals are...

 (Liebig process).