(5-Methylpyrazin-2-yl)hydrazine
2-肼基-5-甲基吡嗪
Also known as: 2-Hydrazino-5-methylpyrazine, 2-hydrazinyl-5-methylpyrazine, (5-Methylpyrazin-2-yl)hydrazine, 1-(5-Methylpyrazin-2-yl)hydrazine, 5-Methyl-2(1H)-pyrazinone hydrazone, Pyrazine, 2-hydrazinyl-5-methyl-
(5-Methylpyrazin-2-yl)hydrazine (CAS 165124-42-5) is a compound in the Organic Bases category listed in the Jingsj chemical database. It has the molecular formula C5H8N4 and a molecular weight of 124.144 g/mol. It is also known as 2-Hydrazino-5-methylpyrazine, 2-hydrazinyl-5-methylpyrazine and 1-(5-Methylpyrazin-2-yl)hydrazine. Key properties include a boiling point of 278.8±35.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 122.4±25.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 165124-42-5
- Jingsj CID
- J-1430675-6
- Molecular Formula
- C5H8N4
- Chinese Name
- 2-肼基-5-甲基吡嗪
- Molecular Weight
- 124.144 g/mol
- Category
- Organic Bases
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 278.8±35.0 °C at 760 mmHg |
|---|---|
| Density | 1.3±0.1 g/cm3 |
| Flash Point | 122.4±25.9 °C |
Frequently Asked Questions
What is the CAS number of (5-Methylpyrazin-2-yl)hydrazine?
The CAS number of (5-Methylpyrazin-2-yl)hydrazine is 165124-42-5.
What are the molecular formula and molecular weight of (5-Methylpyrazin-2-yl)hydrazine?
(5-Methylpyrazin-2-yl)hydrazine has molecular formula C5H8N4 and molecular weight 124.144 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "(5-Methylpyrazin-2-yl)hydrazine (CAS 165124-42-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1430675-6 (accessed 2026-10-24).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.