4-Bromo-2,5-dichloropyridine

4-溴-2,5-二氯吡啶

Also known as: 2,5-dichloro-4-bromopyridine, Pyridine, 4-bromo-2,5-dichloro-, QC-9627

4-Bromo-2,5-dichloropyridine (CAS 1184917-16-5) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5H2BrCl2N and a molecular weight of 226.886 g/mol. It is also known as 2,5-dichloro-4-bromopyridine, Pyridine, 4-bromo-2,5-dichloro- and QC-9627. Key properties include a boiling point of 254.3±35.0 °C at 760 mmHg, a density of 1.8±0.1 g/cm3 and a flash point of 107.6±25.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 1184917-16-5
Jingsj CID: J-1502743-2
Molecular Formula: C₅H₂BrCl₂N
Chinese Name: 4-溴-2,5-二氯吡啶
Molecular Weight: 226.886 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	254.3±35.0 °C at 760 mmHg
Density	1.8±0.1 g/cm3
Flash Point	107.6±25.9 °C
Exact Mass	224.874756
PSA	12.89000
LogP	2.84
Vapor Pressure	0.0±0.5 mmHg at 25°C
Refractive Index	1.597

Customs & Trade Information

HS Code	2933399090
Summary	2933399090. other compounds containing an unfused pyridine 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-Bromo-2,5-dichloropyridine?

The CAS number of 4-Bromo-2,5-dichloropyridine is 1184917-16-5.

What are the molecular formula and molecular weight of 4-Bromo-2,5-dichloropyridine?

4-Bromo-2,5-dichloropyridine has molecular formula C5H2BrCl2N and molecular weight 226.886 g/mol.

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

Last updated: 8/21/2026

How to cite: Jingsj. "4-Bromo-2,5-dichloropyridine (CAS 1184917-16-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1502743-2 (accessed 2026-10-28).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.