Copper (II) Chloride (CuCl2)-Powder

Characteristic

Copper(II) chloride is the chemical compound with the chemical formula CuCl₂. This is a light brown solid, which slowly absorbs moisture to form a blue-green dihydrate.

Chemical formula：CuCl₂

Molar mass：134.45 g/mol (anhydrous)

                      170.48 g/mol (dihydrate)

Appearance：yellow-brown solid (anhydrous)

                       blue-green solid (dihydrate)

Odor：odorless

Density：3.386 g/cm³ (anhydrous)

                2.51 g/cm³ (dihydrate)

Melting point：498 °C (928 °F; 771 K) (anhydrous)

                          100 °C (dehydration of dihydrate)

Boiling point：993 °C (1,819 °F; 1,266 K) (anhydrous, decomposes)

Solubility in water：70.6 g/100 mL (0 °C)

                                 75.7 g/100 mL (25 °C)

                                 107.9 g/100 mL (100 °C)

Solubility： methanol: 68 g/100 mL (15 °C)

                   ethanol: 53 g/100 mL (15 °C)

soluble：in acetone

Magnetic susceptibility (χ)：+1080·10⁻⁶ cm³/mol

Application

1. Used as mordant, oxidizer, wood preservative, food additive, disinfectant, etc.; also used for deodorization and desulfurization of petroleum fractions, metal extraction, photography, etc.

2. Copper chloride can be used as chlorination reagent, oxidizing reagent and lewis acid reagent.