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Copper(II) chloride dihydrate

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Copper(II) chloride dihydrate Basic information
Copper(II) chloride dihydrate Chemical Properties
  • Melting point:100 °C (dec.)(lit.)
  • Density 2.54
  • vapor density >1 (vs air)
  • storage temp. Store at RT.
  • solubility 757g/l
  • form Solid
  • color White
  • Specific Gravity2.54
  • PH3.0-3.8 (50g/l, H2O, 20℃)
  • Water Solubility 1150 g/L
  • Sensitive Air Sensitive & Hygroscopic
  • Merck 14,2633
  • Stability:Reacts violently with potassium, sodium. Contact with acetylene can form shock-sensitive acetylides. Hygroscopic - incompatible with moisture.
  • InChIKeyORTQZVOHEJQUHG-UHFFFAOYSA-L
  • CAS DataBase Reference10125-13-0(CAS DataBase Reference)
  • EPA Substance Registry SystemCupric chloride dihydrate (10125-13-0)
Safety Information
MSDS
Copper(II) chloride dihydrate Usage And Synthesis
  • DescriptionCopper (II) chloride dihydrate is used in the preparation of copper oxychloride and as a catalyst in many organic chlorination reactions such as vinyl chloride and 1,2-dichloroethane. Copper chloride dihydrate may be also used as catalyst to cleave tetrahydropyranyl (THP) ethers and t-butyldimethylsilyl (TBDMS) ethers and to chemoselectively hydrolyze semicarbazones to carbonyl compounds. Solution of copper (II) chloride is used for plating on aluminum and for tinting germanium and tin.
  • UsesCopper(II) chloride is used as a mordant in dyeing and printing of fabrics; as an ingredient of isomerization and cracking catalysts; and as a desulfurizing and deodorizing agent in petroleum industry.
    Other important applications are in copper plating of aluminum; preparation of copper standard solutions; test for molybdenum; in tinting-baths for iron and tin; in pigments for ceramics and glasses; as a fixer and desensitizer reagent in photography; in mercury extraction from ores; in laundry-marking and invisible inks; and in manufacture of several copper salts.
  • PreparationCopper(II) chloride may be synthesized by heating elemental copper with chlorine:
    Cu + Cl2 CuCl2
    Alternatively, it may be prepared by treating copper carbonate with hydrochloric acid followed by crystallization:
    CuCO3 + 2HCl → CuCl2 + CO2 + H2O
    In the above preparation, the hydrate of the salt crystallizes, precipitates, and may be dehydrated by heating under vacuum.
  • References[1] H. Wayne Richardson, Handbook of Copper Compounds and Applications, 1997
    [2] Ram N. Ram and Kiran Varsha, Regeneration of carbonyl compounds from semicarbazones by copper (II) chloride dihydrate, Tetrahedron Letters, 1991, vol. 32, 5829-5832
    [3] Z. P. Tan, L. Wang, J. Bo. Wang, Deprotection of t- Butyldimethylsiloxy (TBDMS) Protecting Group with Catalytic Copper (II) Chloride Dihydrate, Chinese Chemical Letters, 2000, vol. 11, 753-756
  • Chemical PropertiesMoist blue crystals.
  • UsesSupplement (trace mineral).
  • UsesCopper(II) chloride (CuCl2) or cupric chloride, is a brownish-yellow hygroscopic powder, or it may be formed as green deliquescent crystals. It is used in the dyeing and printing of textiles, as a disinfectant, as red pigment in the glass and ceramic industries, and for green-colored pyrotechnics, wood preservative, fungicide, deodorizer, water purification, feed additive, and electroplating baths.
Copper(II) chloride dihydrate Preparation Products And Raw materials
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