Cu(clo3)2 Copper(II) chlorate is an inorganic compound with the chemical formula Cu(ClO3)2. It is a white solid produced on a large scale as a precursor to copper(II) salts. It is also a powerful oxidizing agent.

When mixed with fuels, it can cause explosive reactions.

Cu(ClO3)2 is used in pyrotechnics and as a herbicide. In addition, it can be used to make chlorate-based explosives, such as TATP and HMTD. It is also used to manufacture certain types of glass, including heat-resistant glass.

Cu(ClO3)2 is highly toxic and can cause death if ingested. Symptoms of poisoning include vomiting, diarrhea, convulsions, and respiratory failure. Cu(ClO3)2 should be stored in a cool, dry place away from ignition sources.

The copper(II) chloride anion, CuCl2−, is derived from the element copper and the halide chloride. It has a molar mass of 134.45 g/mol and exists as a dimeric molecule in which two chloride ligands bridge two Cu(II) ions. The compound has a deep blue color and is soluble in water. Therefore, it is commonly used as a reagent in analytical chemistry and a catalyst in organic synthesis.

CuCl2 is prepared by the reaction of HCl with cupric oxide:

2CuO + 2HCl → 2CuCl2 + H2O

It can also be prepared by the direct reaction of copper and chlorine:

2Cu + Cl2 → 2CuCl2



CuCl2 is used as a reagent in analytical chemistry to determine chloride ions. It forms a complex with chloride that is easily isolated and measured spectrophotometrically.

CuCl2 is also used as a catalyst in organic synthesis, particularly in the production of chloroform:

CHCl3 + NaOH → CH3CHO + HCl + NaCl


CuCl2 is toxic if ingested and can cause irritation if it comes into contact with the skin or eyes. Immediately flush the area with water for at least 15 minutes in case of contact. Seek medical attention if necessary. CuCl2 should be stored in a cool, dry place away from ignition sources.

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