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Copper dichloride

CAS number : 3251-23-8

Molecular weight :187.5558

Molecular formula/chemical symbol :Cu(NO3)2

Description :

Copper(II) chloride is the chemical compound with the formula CuCl₂. This is a light brown solid, which slowly absorbs moisture to form a blue-green dihydrate. The copper(II) chlorides are some of the most common copper(II) compounds, after copper sulfate.

Copper(II) chloride
Anhydrous
Anhydrous
Dihydrate
Other names[hide] Cupric chloride
Identifiers
CAS number	7447-39-4^Y, 10125-13-0 (dihydrate)
PubChem	24014
ChemSpider	148374^Y
UNII	P484053J2Y^Y
ChEBI	CHEBI:49553^Y
ChEMBL	CHEMBL1200553^N
RTECS number	GL7000000
Jmol-3D images	Image 1 Image 2
Properties
Molecular 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 (anhydrous) 100 °C (dehydration of dihydrate)
Boiling point	993 °C (anhydrous, decomp)
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
Structure
Crystal structure	distorted CdI₂ structure
Coordination geometry	Octahedral
Hazards
MSDS	Fischer Scientific
EU classification	Not listed
Flash point	Non-flammable
Related compounds
Other anions	Copper(II) fluoride Copper(II) bromide
Other cations	Copper(I) chloride Silver chloride Gold(III) chloride
N (verify) (what is: Y/N?) Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa)
Infobox references

USES :

Electroplating industry as a plating bath additives increase copper ions.

As a glass, ceramic coloring agent, organic hydrogenation reaction catalyst. Deodorization of the oil industry, desulfurization and purification agent.

Dyeing mordant and dye colorant.

For metal smelting, photoengraving as an etchant, wood preservation.

Used as pesticides, water purification, disinfectants, fish feed additives.

Keywords:Fine ceramics

Report :

Product name	Copper(II) chloride		CAS：7447-39-4
Description	yellow-brown solid
TEST ITEMS		TEST RESULTS
		Analytical grade		Chemically pure	ACS
CuCl₂·2H₂O		≥99.0		98.0	≥99.0%
Water insoluble matter		≤0.005		0.02	≤0.01%
Sulfate		≤0.003		0.01	≤0.005%
nitrate		≤0.01		0.03	≤0.015%
Fe		≤0.002		0.005
Ni		≤0.001		--	≤0.01%
As		≤0.0002		0.0005
Sulfate		≤0.05		0.2
Na					≤0.02%
K					≤0.01%
Ca					≤0.005%