Vanadium Pentoxide
- Molecular Formula: V₂O₅
- CAS Number: 1314-62-1
- Physical Properties: Orange- yellow crystalline powder, density 3.36 g/cm³, slightly soluble in water
- pH: 3–4
- Uses : Catalyst in sulfuric acid production, ceramics and glass manufacturing, pigments, and energy storage systems
Sodium Tungstate
- Molecular Formula: Na₂WO₄·2H₂O
- CAS Number: 13472-45-2
- Physical Properties: White crystals, soluble in water
- Melting Point: 698 °C
- pH: Neutral to slightly alkaline
- Uses: Catalysts, metal treatment, pigment production
Cobalt Sulphate
- Molecular Formula: CoSO₄·7H₂O
- CAS Number: 10026-24-1
- Physical Properties: Blue to red crystalline solid, soluble in water
- Melting Point: 98 °C
- pH: Acidic (~4)
- Uses: Animal feed mineral, pigment manufacture, electroplating
Nickel Carbonate
- Formula: NiCO₃ (basic form: NiCO₃·2Ni(OH)₂·4H₂O)
- CAS No.: 3333-67-3 / 12069-69-1
- Properties: Green powder, insoluble in water, density ~4.4 g/cm³
- Melting Point: Decomposes ~300– 400 °C to NiO
- pH: Slightly basic (8–9)
- Uses: Nickel catalysts, ceramics, pigments, electroplating, batteries
Nickel Sulphate
- Formula: NiSO₄·6H₂O (common form)
- CAS No.: 7786-81-4
- Properties: Blue-green crystals, soluble in water, density ~2.1 g/cm³
- Melting Point: Loses water at 53–55 °C, decomposes ~840 °C
- pH: Acidic (4–5 in solution)
- Uses: Electroplating, catalysts, pigments, nickel batteries, metal finishing
Copper Sulphate
- 1. Molecular Formula: CuSO₄ (commonly supplied as CuSO₄·5H₂O)
- 2. CAS Number: 7758-99-8
- 3. Physical Properties: Blue crystalline powder, soluble in water
- 4. Melting Point: 110 °C (loses water of crystallization), decomposes above 650 °C
- 5. pH: 3.5–4.5 (in aqueous solution)
- 6. Uses: Used as a fungicide and micronutrient in agriculture, used as an algicide in water treatment, used in electroplating and metal treatment, and used in pigments and chemical formulations.