Copper (II) Chloride Dihydrate

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General Information

  • Chemical Name: Copper (II) Chloride Dihydrate
  • Synonyms: Cupric Chloride Dihydrate
  • Molecular Formula: CuCl₂·2H₂O
  • CAS Number: 10125-13-0
  • EC Number: 231-210-2
  • Appearance: Blue-green crystalline powder
  • Odor: Odorless

Physical and Chemical Properties

  • Molecular Weight: 170.48 g/mol
  • Boiling Point: Decomposes before boiling
  • Melting Point: ~100°C (loss of water of crystallization)
  • Density: 2.54 g/cm³ at 25°C
  • Solubility:
    • Water: Highly soluble (~76 g/100 mL at 25°C)
    • Soluble in ethanol, acetone, and other polar solvents.
  • pH (1% Aqueous Solution): ~3–4 (acidic solution)

Purity and Grade

  • Purity: ≥98%
  • Grade: Laboratory grade, industrial grade

Description

Copper (II) Chloride Dihydrate is a high-purity inorganic compound widely used in laboratories, research, and industrial applications. Known for its versatility, it serves as a reagent, catalyst, and intermediate in chemical processes. With excellent solubility and consistent performance, this compound is a reliable choice for professionals across various industries.

Applications of Copper (II) Chloride Dihydrate

Laboratory and Research

  • Reagent in Chemical Synthesis:
    • Commonly used in reactions involving oxidation and chlorination.
  • Analytical Chemistry:
    • Utilized for qualitative and quantitative analysis of copper ions and other compounds.

Catalysis

  • Catalyst in Organic Reactions:
    • Used in the synthesis of organochlorides and other complex organic compounds.
  • Heterogeneous and Homogeneous Catalysis:
    • Plays a role in oxidation and coupling reactions.

Electronics Industry

  • Etching Agent:
    • Used in printed circuit board (PCB) manufacturing for etching copper layers.
  • Conductive Materials:
    • Involved in producing copper-based conductive inks and coatings.

Industrial Applications

  • Pigment and Dye Production:
    • Acts as an intermediate in manufacturing blue and green pigments.
  • Chemical Manufacturing:
    • A precursor for other copper-based chemicals.

Textile Industry

  • Mordant for Dyeing:
    • Enhances the bonding of dyes to fabrics, especially in natural and synthetic fibers.

Agriculture

  • Micronutrient in Fertilizers:
    • Provides essential copper for plant growth and metabolic processes.
  • Fungicide Formulations:
    • Used in agricultural sprays to control fungal diseases in crops.

Water Treatment

  • Algaecide:
    • Controls algae growth in water systems, including ponds and swimming pools.

Photochemistry

  • Light Sensitivity Applications:
    • Used in certain photochemical experiments and applications.

Education and Demonstration

  • Demonstration of Chemical Properties:
    • Ideal for teaching redox reactions, solubility, and coordination chemistry in academic settings.

Metal Surface Treatment

  • Electroplating:
    • Used in copper electroplating to enhance surface properties of metals.

Storage Guidelines

  • Storage Conditions:
    • Store in a cool, dry, and well-ventilated area away from heat, direct sunlight, and sources of moisture.
    • Maintain storage temperature between 15°C and 25°C (59°F and 77°F).
    • Keep the container tightly sealed to prevent contamination and moisture absorption.
  • Container Recommendations:
    • Use containers made of non-reactive materials such as glass or polyethylene.
    • Ensure containers are clearly labeled to avoid accidental misuse.
  • Incompatibilities:
    • Avoid contact with strong oxidizers, strong bases, and reactive metals.
    • Protect from exposure to acids, as it may release toxic chlorine gas.

Handling Guidelines

  • Personal Protective Equipment (PPE):
    • Gloves: Wear nitrile or neoprene gloves to prevent skin contact.
    • Eye Protection: Use chemical splash goggles to protect eyes.
    • Clothing: Wear a lab coat or protective apron to minimize skin exposure.
  • Workplace Safety:
    • Handle in a well-ventilated area or under a fume hood to minimize inhalation of dust or fumes.
    • Avoid creating or inhaling dust.
  • Precautionary Measures:
    • Wash hands thoroughly after handling.
    • Do not eat, drink, or smoke while handling the material.
    • Prevent spillage to avoid contamination of surfaces or equipment.

Spill and Disposal Guidelines

  • Spill Cleanup:
    • Contain spills with an inert absorbent material such as sand or vermiculite.
    • Scoop up the material and place it in a labeled container for disposal.
  • Disposal:
    • Dispose of in accordance with local, state, and federal regulations.
    • Do not release into sewers, waterways, or the environment.

Additional information

Size

250 Grams, 500 Grams, 1000 Grams