1-(4,5-dihydro-1H-imidazol-2-yl)hydrazine

1-(4,5-二氢-1H-咪唑-2-基)肼

Also known as: 2-hydrazinyl-4,5-dihydro-1H-imidazole, 2-hydrazino-4,5-dihydro-1H-imidazole, 2-hydrazino-2-imidazoline, 1H-Imidazole, 2-hydrazinyl-4,5-dihydro-, 2-imidazoline-2-ylhydrazine, 4,5-dihydro-1H-imidazol-2-ylhydrazine, Imidazolidin-2-one hydrazone, NSC 52160

1-(4,5-dihydro-1H-imidazol-2-yl)hydrazine (CAS 51420-32-7) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C3H8N4 and a molecular weight of 100.12200 g/mol. It is also known as 2-hydrazinyl-4,5-dihydro-1H-imidazole, 2-hydrazino-4,5-dihydro-1H-imidazole and 2-hydrazino-2-imidazoline. Key properties include a boiling point of 202.6ºC at 760 mmHg, a density of 1.59g/cm3 and a flash point of 76.4ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

51420-32-7

Jingsj CID

J-1117386-7

Molecular Formula

C₃H₈N₄

Chinese Name

1-(4,5-二氢-1H-咪唑-2-基)肼

Molecular Weight

100.12200 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026