Copper (I) Iodide is an inorganic compound widely used as a source of copper in organic synthesis, polymer stabilization, and nutritional applications. It is valued for its catalytic efficiency and thermal stability.
| CAS Number | 7681-65-4 |
| Chemical Formula | CuI |
| Molecular Weight | 190.45 g/mol |
| Appearance |
White to tan or light brownish crystalline powder (pure CuI is white) |
| Melting Point | 606 °C |
| Purity | ≥ 98.0% to ≥ 99.0% (high purity grades available) |
| Solubility |
Virtually insoluble in water and most organic solvents; soluble in ammonia and potassium iodide solutions |
| Safety Information |
Classified as Harmful (GHS07) and Environmental Hazard (GHS09). Causes skin and eye irritation and is highly toxic to aquatic life with long-lasting effects. Dispose of as hazardous waste. |
| Packing |
Laboratory packs: 100 g, 500 g, 1 Kg amber glass or HDPE bottles Industrial packs: 25 Kg fiber drums with black moisture-proof PE liners to protect from light |
| Synonyms |
Cuprous iodide, Copper monoiodide, Marshite |
| Uses |
Widely used as a catalyst in organic reactions such as Sonogashira coupling, as a heat and light stabilizer in nylon polymers, and as a nutritional supplement in animal feed and iodized salt formulations. |
