Description 1,1'-Carbonyldiimidazole (CDI) is an organic compound with the molecular formula (C3H3N2)2CO. It is a white crystalline solid. It is often used for the coupling of amino acids for peptide synthesis and as a reagent in organic synthesis. Basic Info Chemical Name N,N'-Carbonyldiimidazole Synonyms 1H-Imidazole, 1,1‘-carbonylbis-; 1,1‘-Carbonyldiimidazole; 1,1'-Carbonyldiimidazole [Coupling Agent; Di(1H-imidazol-1-yl)methanone; 1,1'-Carbonyldiimidazole; Expand CAS No. 530-62-1 Molecular Formula C7H6N4O Molecular Weight 162.14900 PSA 52.71000 LogP 0.59600 Properties Appearance & Physical State white crystalline powder Density 1.39 g/cm3 Boiling Point 394.6ºC at 760 mmHg Melting Point 118-120ºC Flash Point 192.5ºC Refractive Index 1.665 Stability Stable, but moisture-sensitive. Incompatible with acids, strong oxidizing agents, water. Storage Condition 2-8ºC |