Chemicals

Copper(II) Chloride

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Chemical Name	Copper(II) Chloride
Synonyms	Copper Bichloride; Copper Chloride; Copper Dichloride; Copper(2+) Chloride; Copper(II) Chloride; Cupric Chloride; Cupric Dichloride; GBC 4L; NSC 165706
CAS Number	7447-39-4
Molecular Formula	Cl₂Cu
Appearance	Very Dark Red to Vary Dark Brown Solid
Melting Point	>300°C
Molecular Weight	134.45
Storage	20°C
Category	Building Blocks; Inorganics;
Applications	Copper(II) chloride is a reagent that is used in the synthesis of Diisobutyl Phosphate (D455480), which is an analyte found in human urine and municipal wastewaters.
	Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package

Copper(II) Chloride: Properties, Applications, and Safety

Copper(II) chloride, also known as cupric chloride, is a chemical compound with the formula CuCl2. It is a blue-green crystalline solid that is soluble in water, alcohol, and ether. Copper(II) chloride is a versatile compound with a wide range of applications in various industries. In this article, we will explore the properties, applications, and safety of copper(II) chloride.

Properties of Copper(II) Chloride

Copper(II) chloride has several notable properties that make it useful in various applications. Here are some of its physical and chemical properties:

Physical Properties

Appearance: Blue-green crystalline solid
Melting Point: 498°C
Boiling Point: 993°C
Density: 3.386 g/cm3
Solubility: Soluble in water, alcohol, and ether
Crystal Structure: Orthorhombic

Chemical Properties

Formula: CuCl2
Molecular Weight: 134.45 g/mol
Oxidation State: +2
Reactivity: Moderately reactive, forms complexes with various ligands

Applications of Copper(II) Chloride

Copper(II) chloride has a wide range of applications in various industries. Here are some of the most common uses of this compound:

1. Catalyst

Copper(II) chloride is widely used as a catalyst in organic synthesis reactions. It can catalyze reactions such as the synthesis of benzimidazoles, the addition of Grignard reagents to ketones, and the oxidation of alcohols.

2. Pigment

Copper(II) chloride is used as a blue-green pigment in ceramics and glassware. It is also used in the production of paints, inks, and dyes.

3. Wood Preservative

Copper(II) chloride is used as a wood preservative to protect wood from decay and insect damage. It is also used in the treatment of utility poles and marine pilings.

4. Etchant

Copper(II) chloride is used as an etchant in the production of printed circuit boards. It is also used in the etching of zinc and brass.

5. Electroplating

Copper(II) chloride is used in the electroplating of copper onto metal surfaces. It is also used in the electroplating of other metals such as silver and nickel.

Safety of Copper(II) Chloride

Copper(II) chloride is generally considered safe to handle and use. However, it can be toxic if ingested or inhaled in large quantities. Here are some safety precautions to follow when handling copper(II) chloride:

Wear protective clothing, gloves, and goggles when handling copper(II) chloride.
Avoid inhaling copper(II) chloride dust or vapors.
Do not ingest copper(II) chloride.
Store copper(II) chloride in a dry and well-ventilated area.