4-Hydrazinylpyridine

4-肼吡啶

Also known as: 4-Hydrazinopyridine, Pyridin-4-ylhydrazine, 4-Pyridylhydrazine, Pyridine, 4-hydrazinyl-

4-Hydrazinylpyridine (CAS 27256-91-3) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5H7N3 and a molecular weight of 109.129 g/mol. It is also known as 4-Hydrazinopyridine, Pyridin-4-ylhydrazine and 4-Pyridylhydrazine. Key properties include a boiling point of 286.4±13.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 127.0±19.8 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
27256-91-3
Jingsj CID
J-1057568-2
Molecular Formula
C5H7N3
Chinese Name
4-肼吡啶
Molecular Weight
109.129 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point286.4±13.0 °C at 760 mmHg
Density1.2±0.1 g/cm3
Flash Point127.0±19.8 °C

Frequently Asked Questions

What is the CAS number of 4-Hydrazinylpyridine?

The CAS number of 4-Hydrazinylpyridine is 27256-91-3.

What are the molecular formula and molecular weight of 4-Hydrazinylpyridine?

4-Hydrazinylpyridine has molecular formula C5H7N3 and molecular weight 109.129 g/mol.

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

Last updated:

How to cite: Jingsj. "4-Hydrazinylpyridine (CAS 27256-91-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1057568-2 (accessed 2026-10-24).

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