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2,5-Dibromopyridine

Also known as: 2,5-Dibromopyridin, 2,5-Dibromo pyridine, Dibromopyridine, 3,6-Dibromopyridine, 5-Dibromopyridine, 2,5-dibromopyridin, Pyridine, 2,5-dibromo-

2,5-Dibromopyridine (CAS 624-28-2) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5H3Br2N and a molecular weight of 236.892 g/mol. Key properties include a melting point of 92-95 °C(lit.), a boiling point of 235.7±20.0 °C at 760 mmHg, a density of 2.1±0.1 g/cm3 and a flash point of 96.4±21.8 °C. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
624-28-2
Jingsj CID
J-1079052-0
Molecular Formula
C5H3Br2N
Molecular Weight
236.892 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point92-95 °C(lit.)
Boiling Point235.7±20.0 °C at 760 mmHg
Density2.1±0.1 g/cm3
Flash Point96.4±21.8 °C
Exact Mass234.863205
PSA12.89000
LogP2.58
Vapor Pressure0.1±0.5 mmHg at 25°C
Refractive Index1.607
Additional Propertyinsoluble

GHS Safety & Compliance

IrritantSignal word: Warning
  • H315 — Causes skin irritation
  • H319 — Causes serious eye irritation
  • H335 — May cause respiratory irritation

Customs & Trade Information

HS Code2933399090
Summary2933399090. 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 2,5-Dibromopyridine?

The CAS number of 2,5-Dibromopyridine is 624-28-2.

What are the molecular formula and molecular weight of 2,5-Dibromopyridine?

2,5-Dibromopyridine has molecular formula C5H3Br2N and molecular weight 236.892 g/mol.

Is 2,5-Dibromopyridine hazardous?

2,5-Dibromopyridine has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.

What are the upstream and downstream products of 2,5-Dibromopyridine?

For 2,5-Dibromopyridine, Upstream Products: 2-Amino-5-bromopyridine, 2-Aminopyridine, 2-Bromopyridine; Downstream Products: 5-Bromo-2-[(trimethylsilyl)ethynyl]pyridine, 2-(Methylsulfonyl)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine, 6-Bromopyridin-3-ol.

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

Last updated:

How to cite: Jingsj. "2,5-Dibromopyridine (CAS 624-28-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1079052-0 (accessed 2026-11-09).

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