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

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. 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-1086983-7
Molecular Formula: C₉H₉N₃O₂
Molecular Weight: 191.18700 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	334.7ºC at 760mmHg
Density	1.41g/cm3
Flash Point	156.2ºC
Exact Mass	191.06900
PSA	70.21000
LogP	1.23220
Refractive Index	1.673

Customs & Trade Information

HS Code	2933290090
Summary	2933290090. other compounds containing an unfused imidazole ring (whether or not hydrogenated) in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

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.

What are the upstream and downstream products of 4,5-dihydro-2-(3-nitrophenyl)-1H-imidazole?

For 4,5-dihydro-2-(3-nitrophenyl)-1H-imidazole, Upstream Products: 2-Phenylimidazoline, 3-Nitrobenzaldehyde, 3-Nitrobenzyl alcohol; Downstream Products: 3-Nitrobenzoic acid.

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

Last updated: 8/21/2026

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-1086983-7 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.