(5-chloropyrazin-2-yl)hydrazine

2-氯-5-肼基吡嗪

Also known as: 2-Chloro-5-hydrazinylpyrazine, 2-Chloro-5-hydrazinopyrazine, 2-Chloro-5-hydrazino-1,4-diazine, 5-Chloro-2-hydrazinopyrazine, Pyrazine, 2-chloro-5-hydrazinyl-, 1-(5-Chloropyrazin-2-yl)hydrazine, QC-3376, CS-0054769, OSM-S-593, EN300-200577, PB28798, AKOS006336098, BL010279, PS-5634, DB-353696

(5-chloropyrazin-2-yl)hydrazine (CAS 299441-13-7) is a compound in the Organic Bases category listed in the Jingsj chemical database. It has the molecular formula C4H5ClN4 and a molecular weight of 144.562 g/mol. It is also known as 2-Chloro-5-hydrazinylpyrazine, 2-Chloro-5-hydrazinopyrazine and 2-Chloro-5-hydrazino-1,4-diazine. Key properties include a boiling point of 308.5±42.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 140.4±27.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
299441-13-7
Jingsj CID
J-1485121-2
Molecular Formula
C4H5ClN4
Chinese Name
2-氯-5-肼基吡嗪
Molecular Weight
144.562 g/mol
Category
Organic Bases
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point308.5±42.0 °C at 760 mmHg
Density1.5±0.1 g/cm3
Flash Point140.4±27.9 °C

Frequently Asked Questions

What is the CAS number of (5-chloropyrazin-2-yl)hydrazine?

The CAS number of (5-chloropyrazin-2-yl)hydrazine is 299441-13-7.

What are the molecular formula and molecular weight of (5-chloropyrazin-2-yl)hydrazine?

(5-chloropyrazin-2-yl)hydrazine has molecular formula C4H5ClN4 and molecular weight 144.562 g/mol.

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

Last updated:

How to cite: Jingsj. "(5-chloropyrazin-2-yl)hydrazine (CAS 299441-13-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1485121-2 (accessed 2026-10-24).

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