Manganese(II) chlorate is an unstable chemical compound with the formula Mn(ClO3)2.

Then it was cleaned with liquid nitrogen and potassium hydroxide to remove the decomposition products.

[2] Manganese(II) chlorate forms the hexahydrate when solid, the water that cannot be removed.

It decomposes above 6°C, to manganese(IV) oxide, chlorine dioxide, and water.

When heated to room temperature, it explodes with a sharp report.