Cobalt Chloride is a cobalt‑based inorganic salt used in ceramics, catalysts, humidity indicators, and as a trace micronutrient source in fertilisers and feed premixes. In ceramics and glass, it imparts characteristic blue‑violet hues, whereas in industrial chemistry, it serves as a precursor to cobalt catalysts.
In controlled, low‑level formulations, appropriate grades are used as a cobalt source, though handling is tightly regulated due to toxicity and classification as a hazardous substance.
| Sr. No. | Description | Specification |
|---|---|---|
| 1 | Purity | Technical to high‑purity grades depending on end use |
| 2 | Chemical Formula | CoCl2⋅6H2O |
| 3 | Form | Pink to red crystals (anhydrous form blue) |
| 4 | Country of origin | |
| 5 | Quantities | Small packs for laboratories to industrial bags and drums. |
Highly soluble in water; solutions range from pink to blue depending on hydration and conditions.
Hygroscopic; colour changes with humidity, making it useful in indicator papers and desiccant cards.
Decomposes at elevated temperatures; incompatible with strong oxidizing agents.
Colourant in ceramics, glass, and enamels for blue and violet tones.
Component in catalysts and cobalt‑based chemical syntheses.
Trace cobalt source in certain fertiliser and feed formulations where permitted by regulation.
Classified as toxic and potentially carcinogenic; may cause sensitisation and organ effects with prolonged exposure.
Require closed handling, effective ventilation, and full PPE (gloves, goggles, protective clothing, and often respiratory protection).
Waste streams containing cobalt must be treated and disposed of according to hazardous‑waste regulations.
| Sr. No. | Description | Specification |
|---|---|---|
| 1 | Purity | Technical to high‑purity grades depending on end use |
| 2 | Chemical Formula | CoCl2⋅6H2O |
| 3 | Form | Pink to red crystals (anhydrous form blue) |
| 4 | Country of origin | |
| 5 | Quantities | Small packs for laboratories to industrial bags and drums. |
Highly soluble in water; solutions range from pink to blue depending on hydration and conditions.
Hygroscopic; colour changes with humidity, making it useful in indicator papers and desiccant cards.
Decomposes at elevated temperatures; incompatible with strong oxidizing agents.
Colourant in ceramics, glass, and enamels for blue and violet tones.
Component in catalysts and cobalt‑based chemical syntheses.
Trace cobalt source in certain fertiliser and feed formulations where permitted by regulation.
Classified as toxic and potentially carcinogenic; may cause sensitisation and organ effects with prolonged exposure.
Require closed handling, effective ventilation, and full PPE (gloves, goggles, protective clothing, and often respiratory protection).
Waste streams containing cobalt must be treated and disposed of according to hazardous‑waste regulations.
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