2-Chloro-4-nitro-1H-imidazole

Also known as: 2-Chloro-4-nitroimidazole, 2-Chloro-5-nitro-1H-imidazole, 2-Chloro-5-nitroimidazole, 1H-Imidazole, 2-chloro-4-nitro-, 1H-Imidazole, 2-chloro-5-nitro-, 1H-Imidazole,2-chloro-4-nitro-(9CI)

2-Chloro-4-nitro-1H-imidazole (CAS 57531-37-0) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C3H2ClN3O2 and a molecular weight of 147.520 g/mol. Key properties include a boiling point of 386.8±34.0 °C at 760 mmHg, a density of 1.7±0.1 g/cm3 and a flash point of 187.7±25.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 57531-37-0
Jingsj CID: J-1400434-3
Molecular Formula: C₃H₂ClN₃O₂
Molecular Weight: 147.520 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	386.8±34.0 °C at 760 mmHg
Density	1.7±0.1 g/cm3
Flash Point	187.7±25.7 °C
Exact Mass	146.983551
PSA	74.50000
LogP	0.66
Vapor Pressure	0.0±0.9 mmHg at 25°C
Refractive Index	1.631

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 2-Chloro-4-nitro-1H-imidazole?

The CAS number of 2-Chloro-4-nitro-1H-imidazole is 57531-37-0.

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

2-Chloro-4-nitro-1H-imidazole has molecular formula C3H2ClN3O2 and molecular weight 147.520 g/mol.

What are the upstream and downstream products of 2-Chloro-4-nitro-1H-imidazole?

For 2-Chloro-4-nitro-1H-imidazole, Upstream Products: 2-Chloro-1H-imidazole, 2,4-dinitro-1H-imidazole, 2-Bromo-4-nitro-1H-imidazole.

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. "2-Chloro-4-nitro-1H-imidazole (CAS 57531-37-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1400434-3 (accessed 2026-11-09).

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