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4,5-Dibromo-1H-imidazole

Also known as: 4,5-dibromoimidazole, 4,5-Dibrom-1H-imidazol, 1H-Imidazole, 4,5-dibromo-

4,5-Dibromo-1H-imidazole (CAS 2302-30-9) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C3H2Br2N2 and a molecular weight of 225.86900 g/mol. Key properties include a melting point of 214-216ºC, a boiling point of 388.6ºC at 760mmHg, a density of 2.419 and a flash point of 188.8ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
2302-30-9
Jingsj CID
J-1062311-7
Molecular Formula
C3H2Br2N2
Molecular Weight
225.86900 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point214-216ºC
Boiling Point388.6ºC at 760mmHg
Density2.419
Flash Point188.8ºC
Exact Mass223.85800
PSA28.68000
LogP1.93470
Vapor Pressure0.001mmHg at 25°C
Refractive Index1.607

Customs & Trade Information

HS Code2933290090
Summary2933290090. 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-Dibromo-1H-imidazole?

The CAS number of 4,5-Dibromo-1H-imidazole is 2302-30-9.

What are the molecular formula and molecular weight of 4,5-Dibromo-1H-imidazole?

4,5-Dibromo-1H-imidazole has molecular formula C3H2Br2N2 and molecular weight 225.86900 g/mol.

What are the upstream and downstream products of 4,5-Dibromo-1H-imidazole?

For 4,5-Dibromo-1H-imidazole, Upstream Products: Imidazole, 2,4,5-Tribromoimidazole, 4,5-Dibromo-1-trityl-1H-imidazole; Downstream Products: 4,5-Dibromo-1-methyl-1H-imidazole, 4,5-Dibromo-1-trityl-1H-imidazole, 4-Bromo-1H-imidazole.

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

Last updated:

How to cite: Jingsj. "4,5-Dibromo-1H-imidazole (CAS 2302-30-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1062311-7 (accessed 2026-11-09).

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