4-Bromo-2-nitro-1H-imidazole

4-溴-2-硝基-1H-咪唑

Also known as: 5-bromo-2-nitro-1H-imidazole, 1H-Imidazole, 4-bromo-2-nitro-, 1H-Imidazole, 5-bromo-2-nitro-, 4-BROMO-2-NITRO-1H-IMIDAZOLE, 5-bromo-2-nitro-1H-Imidazole

4-Bromo-2-nitro-1H-imidazole (CAS 121816-84-0) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C3H2BrN3O2 and a molecular weight of 191.971 g/mol. It is also known as 5-bromo-2-nitro-1H-imidazole, 1H-Imidazole, 4-bromo-2-nitro- and 1H-Imidazole, 5-bromo-2-nitro-. Key properties include a boiling point of 427.8±37.0 °C at 760 mmHg, a density of 2.2±0.1 g/cm3 and a flash point of 212.5±26.5 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
121816-84-0
Jingsj CID
J-1126569-0
Molecular Formula
C3H2BrN3O2
Chinese Name
4-溴-2-硝基-1H-咪唑
Molecular Weight
191.971 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point427.8±37.0 °C at 760 mmHg
Density2.2±0.1 g/cm3
Flash Point212.5±26.5 °C

Frequently Asked Questions

What is the CAS number of 4-Bromo-2-nitro-1H-imidazole?

The CAS number of 4-Bromo-2-nitro-1H-imidazole is 121816-84-0.

What are the molecular formula and molecular weight of 4-Bromo-2-nitro-1H-imidazole?

4-Bromo-2-nitro-1H-imidazole has molecular formula C3H2BrN3O2 and molecular weight 191.971 g/mol.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "4-Bromo-2-nitro-1H-imidazole (CAS 121816-84-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1126569-0 (accessed 2026-10-22).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.