Barium chlorate, with the chemical formula Ba(ClO3)2, is a chemical compound composed of barium (Ba) cations and chlorate (ClO3^-) anions. It is a white crystalline solid that is highly soluble in water.

Some key properties and uses of barium chlorate include:

1. Pyrotechnics: Barium chlorate is used in pyrotechnic compositions to produce green flames in fireworks and other pyrotechnic displays.
2. Matches: Historically, barium chlorate was used in safety matches, where it served as the oxidizing agent to initiate the combustion of the match head.
3. Chemical Reagent: Barium chlorate is used as a chemical reagent in various chemical reactions and laboratory studies.

Barium chlorate is considered an oxidizing agent and should be handled with care due to its potential hazards. It can react vigorously with reducing agents and combustible materials, leading to fire or explosion.

It’s important to note that the use of barium chlorate in safety matches has been reduced or discontinued in many countries due to safety concerns. Safer alternatives are now used for most match compositions.

As with any chemical, safety precautions should be taken when handling barium chlorate. It is essential to work with this compound in a well-ventilated area and use appropriate personal protective equipment to minimize exposure and potential risks.