2,4,5-Tribromo-1-methyl-1H-imidazole

Also known as: 1-Methyl-2,4,5-tribromoimidazole, 2,4,5-Tribromo-1-methylimidazole, 1H-Imidazole, 2,4,5-tribromo-1-methyl-, MFCD00955564

2,4,5-Tribromo-1-methyl-1H-imidazole (CAS 1003-91-4) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C4H3Br3N2 and a molecular weight of 318.792 g/mol. Key properties include a melting point of 84-86ºC, a boiling point of 364.9±45.0 °C at 760 mmHg, a density of 2.6±0.1 g/cm3 and a flash point of 174.5±28.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 1003-91-4
Jingsj CID: J-1011679-7
Molecular Formula: C₄H₃Br₃N₂
Molecular Weight: 318.792 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	84-86ºC
Boiling Point	364.9±45.0 °C at 760 mmHg
Density	2.6±0.1 g/cm3
Flash Point	174.5±28.7 °C
Exact Mass	315.784607
PSA	17.82000
LogP	2.63
Vapor Pressure	0.0±0.8 mmHg at 25°C
Refractive Index	1.727

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 2,4,5-Tribromo-1-methyl-1H-imidazole?

The CAS number of 2,4,5-Tribromo-1-methyl-1H-imidazole is 1003-91-4.

What are the molecular formula and molecular weight of 2,4,5-Tribromo-1-methyl-1H-imidazole?

2,4,5-Tribromo-1-methyl-1H-imidazole has molecular formula C4H3Br3N2 and molecular weight 318.792 g/mol.

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. "2,4,5-Tribromo-1-methyl-1H-imidazole (CAS 1003-91-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1011679-7 (accessed 2026-11-09).

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