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4-Bromo-2-methyl-1H-benzimidazole

Also known as: 4-bromo-2-methylbenzimidazole, 4-bromo-2-methyl-1H-benzo[d]imidazole, 4-Bromo-2-methyl-1H-benzo[d]imidazole, 4-bromo-2-methyl-1(3)H-benzoimidazole, 4-bromo-2-methyl-1H-1,3-benzodiazole, 7-bromo-2-methyl-1H-benzo[d]imidazole, 1H-Benzimidazole, 4-bromo-2-methyl-, 1H-Benzimidazole, 7-bromo-2-methyl-, 4-BROMO-2-METHYL-1H-BENZIMIDAZOLE, 4-BROMO-2-METHYLBENZIMIDAZOLE

4-Bromo-2-methyl-1H-benzimidazole (CAS 20223-87-4) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C8H7BrN2 and a molecular weight of 211.059 g/mol. Key properties include a boiling point of 397.3±15.0 °C at 760 mmHg, a density of 1.7±0.1 g/cm3 and a flash point of 194.1±20.4 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
20223-87-4
Jingsj CID
J-1447956-2
Molecular Formula
C8H7BrN2
Molecular Weight
211.059 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point397.3±15.0 °C at 760 mmHg
Density1.7±0.1 g/cm3
Flash Point194.1±20.4 °C
Exact Mass209.979248
PSA28.68000
LogP2.05
Vapor Pressure0.0±0.9 mmHg at 25°C
Refractive Index1.697

Customs & Trade Information

HS Code2933990090
Summary2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. 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-Bromo-2-methyl-1H-benzimidazole?

The CAS number of 4-Bromo-2-methyl-1H-benzimidazole is 20223-87-4.

What are the molecular formula and molecular weight of 4-Bromo-2-methyl-1H-benzimidazole?

4-Bromo-2-methyl-1H-benzimidazole has molecular formula C8H7BrN2 and molecular weight 211.059 g/mol.

What are the upstream and downstream products of 4-Bromo-2-methyl-1H-benzimidazole?

For 4-Bromo-2-methyl-1H-benzimidazole, Upstream Products: 3-Bromo-1,2-diaminobenzene, Triethyl orthoacetate, acetic acid.

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-Bromo-2-methyl-1H-benzimidazole (CAS 20223-87-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1447956-2 (accessed 2026-11-09).

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