5-Chloro-2-hydroxypyrazine
2-羟基-5-氯吡嗪
Also known as: 5-Chloropyrazin-2-ol, 5-Chloropyrazin-2(1H)-one, 2-hydroxy-5-chloropyrazine, 5-chloro-1H-pyrazin-2-one, Pyrazinol, 5-chloro-, 2(1H)-Pyrazinone, 5-chloro-, 5-Chloro-2(1H)-pyrazinon, 5-Chloro-2(1H)-pyrazinone, 5-chloropyrazin-2-ol, 5-Chloro-2-hydroxy-1,4-diazine
5-Chloro-2-hydroxypyrazine (CAS 89180-45-0) is a compound in the Organohalogen Compounds category listed in the Jingsj chemical database. It has the molecular formula C4H3ClN2O and a molecular weight of 130.532 g/mol. It is also known as 5-Chloropyrazin-2-ol, 5-Chloropyrazin-2(1H)-one and 2-hydroxy-5-chloropyrazine. Key properties include a melting point of 138-140 °C, a boiling point of 419.6±40.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 207.5±27.3 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 89180-45-0
- Jingsj CID
- J-1403541-8
- Molecular Formula
- C4H3ClN2O
- Chinese Name
- 2-羟基-5-氯吡嗪
- Molecular Weight
- 130.532 g/mol
- Category
- Organohalogen Compounds
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 138-140 °C |
|---|---|
| Boiling Point | 419.6±40.0 °C at 760 mmHg |
| Density | 1.5±0.1 g/cm3 |
| Flash Point | 207.5±27.3 °C |
Frequently Asked Questions
What is the CAS number of 5-Chloro-2-hydroxypyrazine?
The CAS number of 5-Chloro-2-hydroxypyrazine is 89180-45-0.
What are the molecular formula and molecular weight of 5-Chloro-2-hydroxypyrazine?
5-Chloro-2-hydroxypyrazine has molecular formula C4H3ClN2O and molecular weight 130.532 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "5-Chloro-2-hydroxypyrazine (CAS 89180-45-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1403541-8 (accessed 2026-10-22).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.