4,5-dihydro-2-(3-nitrophenyl)-1H-imidazole

2-(3-硝基苯)-4,5-二氢-1H-咪唑

Also known as: 1H-Imidazole, 4,5-dihydro-2-(3-nitrophenyl)-, 2-(3-nitrophenyl)-4,5-dihydro-1H-imidazole, 2-(3-nitrophenyl)imidazoline, 2-(3-nitro-phenyl)-4,5-dihydro-1H-imidazole, 2-(3-nitrophenyl)-2-imidazoline, ImidocarbImpurity2, EINECS 250-754-1

4,5-dihydro-2-(3-nitrophenyl)-1H-imidazole (CAS 31659-42-4) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C9H9N3O2 and a molecular weight of 191.18700 g/mol. It is also known as 1H-Imidazole, 4,5-dihydro-2-(3-nitrophenyl)-, 2-(3-nitrophenyl)-4,5-dihydro-1H-imidazole and 2-(3-nitrophenyl)imidazoline. Key properties include a boiling point of 334.7ºC at 760mmHg, a density of 1.41g/cm3 and a flash point of 156.2ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
31659-42-4
Jingsj CID
J-1086983-5
Molecular Formula
C9H9N3O2
Chinese Name
2-(3-硝基苯)-4,5-二氢-1H-咪唑
Molecular Weight
191.18700 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point334.7ºC at 760mmHg
Density1.41g/cm3
Flash Point156.2ºC

Frequently Asked Questions

What is the CAS number of 4,5-dihydro-2-(3-nitrophenyl)-1H-imidazole?

The CAS number of 4,5-dihydro-2-(3-nitrophenyl)-1H-imidazole is 31659-42-4.

What are the molecular formula and molecular weight of 4,5-dihydro-2-(3-nitrophenyl)-1H-imidazole?

4,5-dihydro-2-(3-nitrophenyl)-1H-imidazole has molecular formula C9H9N3O2 and molecular weight 191.18700 g/mol.

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

Last updated:

How to cite: Jingsj. "4,5-dihydro-2-(3-nitrophenyl)-1H-imidazole (CAS 31659-42-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1086983-5 (accessed 2026-10-23).

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