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5-Bromo-2-hydrazinopyridine

Also known as: 5-bromo-2-hydrazinylpyridine, 5-bromo-2-hydrazinyl-pyridine, 2-hydrazino-5-bromopyridine, N-(5-bromo-2-pyridyl)hydrazine, 1-(5-bromopyridin-2-yl)hydrazine, MFCD00513424

5-Bromo-2-hydrazinopyridine (CAS 77992-44-0) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5H6BrN3 and a molecular weight of 188.025 g/mol. Key properties include a melting point of 132-137°C, a boiling point of 305.7±27.0 °C at 760 mmHg, a density of 1.8±0.1 g/cm3 and a flash point of 138.7±23.7 °C. It is classified under GHS with signal word Danger and hazard statements H301 — Toxic if swallowed, H315 — Causes skin irritation and H318 — Causes serious eye damage. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
77992-44-0
Jingsj CID
J-1525628-7
Molecular Formula
C5H6BrN3
Molecular Weight
188.025 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026
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Physicochemical Properties

Melting Point132-137°C
Boiling Point305.7±27.0 °C at 760 mmHg
Density1.8±0.1 g/cm3
Flash Point138.7±23.7 °C
Exact Mass186.974503
PSA50.94000
LogP1.32
Vapor Pressure0.0±0.6 mmHg at 25°C
Refractive Index1.695
Storage Conditions2-8°C

GHS Safety & Compliance

Corrosion / Acute ToxicitySignal word: Danger
  • H301 — Toxic if swallowed
  • H315 — Causes skin irritation
  • H318 — Causes serious eye damage
  • H335 — May cause respiratory irritation

Frequently Asked Questions

What is the CAS number of 5-Bromo-2-hydrazinopyridine?

The CAS number of 5-Bromo-2-hydrazinopyridine is 77992-44-0.

What are the molecular formula and molecular weight of 5-Bromo-2-hydrazinopyridine?

5-Bromo-2-hydrazinopyridine has molecular formula C5H6BrN3 and molecular weight 188.025 g/mol.

Is 5-Bromo-2-hydrazinopyridine hazardous?

5-Bromo-2-hydrazinopyridine has GHS signal word Danger and hazard statements H301 — Toxic if swallowed; H315 — Causes skin irritation; H318 — Causes serious eye damage.

What are the upstream and downstream products of 5-Bromo-2-hydrazinopyridine?

For 5-Bromo-2-hydrazinopyridine, Upstream Products: 5-Bromo-2-chloropyridine, 5-Bromo-2-fluoropyridine, 2,5-Dibromopyridine; Downstream Products: 6-Bromo-[1,2,4]triazolo[4,3-a]pyridine, 6-Bromo-[1,2,4]triazolo[4,3-a]pyridine-3-thiol, 6-bromo-3-methyl-[1,2,4]triazolo[4,3-a]pyridine.

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

Last updated:

How to cite: Jingsj. "5-Bromo-2-hydrazinopyridine (CAS 77992-44-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1525628-7 (accessed 2026-11-09).

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