3-Aminopyrazin-2(1H)-one
2-氨基-3-羟基吡嗪
Also known as: 2(1H)-Pyrazinone, 3-amino-, 2-Amino-3-hydroxypyrazine, 3-Aminopyrazin-2(1H)-one, 3-Aminopyrazin-2(3H)-one, 3-Amino-1H-pyrazin-2-one, 3-Amino-2(1H)-pyrazinone, 3-Amino-2-pyrazinol, 3-Aminopyrazin-2-ol, NSC 263764
3-Aminopyrazin-2(1H)-one (CAS 43029-19-2) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C4H5N3O and a molecular weight of 111.102 g/mol. It is also known as 2(1H)-Pyrazinone, 3-amino-, 2-Amino-3-hydroxypyrazine and 3-Aminopyrazin-2(3H)-one. Key properties include a melting point of 300-301ºC, a boiling point of 538.9±50.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 279.7±30.1 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 43029-19-2
- Jingsj CID
- J-1435922-6
- Molecular Formula
- C4H5N3O
- Chinese Name
- 2-氨基-3-羟基吡嗪
- Molecular Weight
- 111.102 g/mol
- Category
- Organic Compounds
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 300-301ºC |
|---|---|
| Boiling Point | 538.9±50.0 °C at 760 mmHg |
| Density | 1.5±0.1 g/cm3 |
| Flash Point | 279.7±30.1 °C |
Frequently Asked Questions
What is the CAS number of 3-Aminopyrazin-2(1H)-one?
The CAS number of 3-Aminopyrazin-2(1H)-one is 43029-19-2.
What are the molecular formula and molecular weight of 3-Aminopyrazin-2(1H)-one?
3-Aminopyrazin-2(1H)-one has molecular formula C4H5N3O and molecular weight 111.102 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "3-Aminopyrazin-2(1H)-one (CAS 43029-19-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1435922-6 (accessed 2026-10-22).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.