1,4-Diiodobenzene is a symmetric organoiodine compound used as a bifunctional building block in advanced organic synthesis and material science. Its linear structure makes it especially useful for cross-coupling reactions and framework construction.
| CAS Number | 624-38-4 |
| Chemical Formula | C6H4I2 |
| Molecular Weight | 329.91 g/mol |
| Appearance | White to off-white or light yellow crystalline powder |
| Melting Point | 128 – 132 °C |
| Purity | ≥ 98.0% or ≥ 99.0% |
| Solubility |
Soluble in ethanol, chloroform, and ether; insoluble in water |
| Safety Information |
Classified as an irritant (GHS07). Causes skin, eye, and respiratory irritation. Handle with gloves, eye protection, and adequate ventilation. |
| Packing |
Laboratory packs: 25 g, 100 g, 500 g amber glass bottles Industrial packs: 25 Kg fiber drums with light-resistant PE liners |
| Synonyms |
p-Diiodobenzene, Benzene, 1,4-diiodo- |
| Uses |
Widely used as a rigid linear linker in the synthesis of organic semiconductors, metal-organic frameworks (MOFs), and conducting polymers via palladium-catalyzed cross-coupling reactions. |
