Key Properties of Copper Sulphate
| Product Name: | Copper Sulphate |
| Synonyms: | Cupric Sulphate, Blue Vitriol |
| CAS No: | 7758-98-7 |
| Chemical Formula: | CuSO₄·5H₂O |
| Grade: | USP / BP / IP |
| Appearance: | Blue, crystalline powder or granules |
| Molar Mass: | 249.68 g/mol |
| Solubility: | Freely soluble in water, insoluble in alcohol |
| Melting Point: | 110°C (loses water) / decomposes at higher temperatures |
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WhatsappCopper Sulphate Manufacturing process
Step 1: Raw Material Selection
- High-purity copper metal or copper oxide (CuO) and sulfuric acid (H₂SO₄) are used.
- Raw materials undergo strict quality checks for purity.
Step 2: Chemical Reaction & Processing
- Copper metal or copper oxide reacts with sulfuric acid to form Copper Sulphate solution.
- The solution is filtered and refined to remove impurities.
Step 3: Crystallization & Drying
- The solution is evaporated, crystallized, and dried to achieve the required purity.
Step 4: Quality Control & Testing
- The product is tested for assay, solubility, moisture content, and pH as per IP/BP/USP standards.
Step 5: Packaging & Storage
- Packed in HDPE bags or fiber drums to prevent contamination.
- Stored in a cool, dry place to maintain stability.
Copper Sulphate Applications
Pharmaceutical Applications
Copper Source in Pharmaceutical Formulations
Suitable pharmaceutical grades of Copper Sulphate may be used as a source of copper in selected pharmaceutical formulations where controlled copper content is required.
Pharmaceutical and Medicinal Preparations
Copper Sulphate may be used in certain pharmaceutical and medicinal preparations where a soluble copper salt is required. The grade, concentration and intended use should comply with applicable pharmacopoeial and regulatory requirements.
Pharmaceutical Processing
Suitable grades may also be used in selected pharmaceutical manufacturing processes where copper ions are required as part of the process or formulation.
Animal Nutrition and Feed Applications
Copper Source in Animal Feed
Feed-grade Copper Sulphate is used as a source of copper in suitable livestock and animal-feed formulations.
Mineral Premixes
It may be incorporated into mineral premixes and compound feeds to provide controlled dietary copper.
Agriculture and Crop Applications
Copper Micronutrient
Agricultural-grade Copper Sulphate is widely used as a source of copper, an essential micronutrient required for normal plant growth and development.
Correction of Copper Deficiency
It may be incorporated into fertilizer and micronutrient programs to correct or prevent copper deficiency in suitable crops and soils.
Fungicide Applications
Copper Sulphate is used in certain agricultural fungicidal formulations. It is particularly well known as a component used in preparing Bordeaux mixture, traditionally produced from Copper Sulphate and lime.
Soil and Foliar Applications
Suitable agricultural grades may be used in soil or foliar nutrient programs where copper supplementation is required, subject to appropriate agronomic recommendations and regulations.
Electroplating and Metal Treatment Applications
Copper Electroplating
Copper Sulphate is widely used as a soluble copper source in electrolytic copper-plating baths, making this one of its important industrial applications.
Metal Surface Treatment
It may also be used in selected metal-finishing and surface-treatment processes where controlled copper deposition is required.
Printed Circuit Board Processing
Suitable grades of Copper Sulphate may be used in copper deposition and plating processes associated with printed circuit board and electronics manufacturing.
Mining and Mineral Processing Applications
Mineral Flotation
Copper Sulphate is used as an activator in selected mineral flotation processes, particularly where activation of certain sulphide minerals is required.
Ore Processing
It may be used in selected mining and mineral-processing operations as a process chemical depending on the ore composition and beneficiation method.
Chemical and Industrial Applications
Production of Copper Compounds
Copper Sulphate serves as an important raw material for manufacturing selected copper salts, pigments and other copper-containing specialty chemicals.
Chemical Synthesis
It is used as a soluble copper source and reagent in various chemical synthesis and industrial processing operations.
Catalyst and Process Applications
Copper Sulphate may function as a catalyst, catalyst precursor or process chemical in selected chemical reactions and industrial systems.
Water and Industrial Treatment Applications
Algae-Control Applications
Copper Sulphate has been used as an algaecide in certain water-management applications. Because copper can be toxic to aquatic organisms, such use should only be described for approved applications and controlled dosages in accordance with local environmental regulations.
Industrial Water Systems
Suitable grades may be used in selected industrial water-treatment processes where copper-based chemistry is required.
Laboratory and Analytical Applications
Laboratory Reagent
Reagent-grade Copper Sulphate is widely used in analytical chemistry, chemical synthesis, research and educational laboratory applications.
Analytical Testing
Copper Sulphate is used in selected analytical procedures and reagent preparations where copper ions are required.
Research and Solution Preparation
It may be used for preparing copper-containing solutions and as a source of Cu²⁺ ions in chemical, biochemical and materials research.
Copper Sulphate Specifications
| Sr. No. | Test | Specification |
|---|---|---|
| 1 | Description | Blue, crystalline powder or granules |
| 2 | Assay (Purity) | Not less than 99.0% |
| 3 | Loss on Drying | Not more than 0.5% |
| 4 | pH (5% solution) | 3.5 – 4.5 |
| 5 | Solubility | Freely soluble in water |
| 6 | Chloride (Cl⁻) | Not more than 50 ppm |
| 7 | Sulphate (SO₄²⁻) | Not more than 150 ppm |
| 8 | Heavy Metals | Not more than 10 ppm |
| 9 | Iron (Fe) | Not more than 5 ppm |
| 10 | Lead (Pb) | Not more than 3 ppm |
| 11 | Arsenic (As) | Not more than 2 ppm |
| 12 | Residue on Ignition | Not more than 0.05% |
Copper sulfate Pentahydrate BP Specification
Download Copper sulfate Pentahydrate BP Specification
| Sr. No. | Test | Specification |
|---|---|---|
| 1 | Description | Blue, crystalline powder or transparent, blue crystals. |
| 2 | Solubility | Freely soluble in water, soluble in methanol, practically insoluble in ethanol (96 per cent) |
| 3 | Identification by Copper | It gives reaction of Copper. |
| 4 | Identification by Sulfates | It gives reaction of Sulfates. |
| 5 | Appearance of solution | Solution is clear |
| 6 | Chlorides | Not more than 100 ppm |
| 7 | Iron | Not more than 100 ppm |
| 8 | Cobalt | Not more than 1 ppm |
| 9 | Lead | Not more than 20 ppm |
| 10 | Nickel | Not more than 20 ppm |
| 11 | Assay on the dried basis | Not less than 99.00% to not more than 101.00% |
Copper sulfate Pentahydrate USP Specification
Download Copper sulfate Pentahydrate USP Specification
| Sr. No. | Test | Specification |
|---|---|---|
| 1 | Description | Blue, Crystalline powder or transparent, blue crystals |
| 2 | Solubility | Freely soluble in water, soluble in methanol, practically insoluble in ethanol (96 per cent) |
| 3 | Identification by Copper | It gives reaction of Copper. |
| 4 | Identification by Sulfates | It gives reaction of Sulfates. |
| 5 | Sodium | Not more than 0.02% |
| 6 | Potassium | Not more than 0.01% |
| 7 | Calcium | Not more than 0.005% |
| 8 | Iron | Not more than 0.003% |
| 9 | Nickel | Not more than 0.005% |
| 10 | Loss on drying | 33.0% to 36.5% |
| 11 | Assay on the dried basis | Not less than 98.50% and Not more than 100.50% |
Note: Additional test to be carried out as per customer requirements.
Copper Sulphate Packing and Storage condition
Packing:
- 25 kg / 50 kg HDPE bags with inner LDPE liner for moisture protection.
- Fiber drums for high-purity grades.
- Bulk packaging in jumbo bags (500 kg – 1000 kg) available upon request.
Storage Conditions:
- Store in a cool, dry, and well-ventilated area away from direct sunlight.
Why Choose Chemignition for
Copper Sulphate Supply?
Quality Assurance
Grade Compliance
Copper Sulphate is manufactured in adherence to stringent global pharmaceutical standards.
In-House Quality Control
Each batch undergoes rigorous testing for purity, stability, and efficacy.
Regulatory Approvals
Certified for export and compliant with international regulatory requirements.
Large-Scale Manufacturing and Export
Grade Compliance
Copper Sulphate is manufactured in adherence to stringent global pharmaceutical standards.
In-House Quality Control
Each batch undergoes rigorous testing for purity, stability, and efficacy.
Regulatory Approvals
Certified for export and compliant with international regulatory requirements.
