1,1'-Oxalyldiimidazole

1,1'-草酰基二咪唑

Also known as: 1,2-Di(1H-imidazol-1-yl)ethane-1,2-dione, 1H-Imidazole,1,1'-(1,2-dioxo-1,2-ethanediyl)bis-, N,N'-Oxalyldiimidazole, oxalic acid diimidazolide, oxalyl imidazole, 1,1'-Oxalyldi(1H-imidazole), 1,2-Bis(1H-imidazol-1-yl)ethane-1,2-dione, 1,2-Bis(1-imidazolyl)ethane-1,2-dione, NSC299886

1,1'-Oxalyldiimidazole (CAS 18637-83-7) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C8H6N4O2 and a molecular weight of 190.15900 g/mol. It is also known as 1,2-Di(1H-imidazol-1-yl)ethane-1,2-dione, 1H-Imidazole,1,1'-(1,2-dioxo-1,2-ethanediyl)bis- and N,N'-Oxalyldiimidazole. Key properties include a melting point of 114-116 °C(lit.), a boiling point of 441.4ºC at 760mmHg, a density of 1.46g/cm3 and a flash point of 220.7ºC. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

18637-83-7

Jingsj CID

J-48939-3

Molecular Formula

C₈H₆N₄O₂

Chinese Name

1,1'-草酰基二咪唑

Molecular Weight

190.15900 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026