5-Chloro-2-hydroxypyrazine
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. 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-1403541-7
- Molecular Formula
- C4H3ClN2O
- 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 |
| Exact Mass | 129.993393 |
| PSA | 46.01000 |
| LogP | 0.27 |
| Vapor Pressure | 0.0±1.0 mmHg at 25°C |
| Refractive Index | 1.593 |
Customs & Trade Information
| HS Code | 2933990090 |
|---|---|
| Summary | 2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
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.
What are the upstream and downstream products of 5-Chloro-2-hydroxypyrazine?
For 5-Chloro-2-hydroxypyrazine, Upstream Products: Aminopyrazine; Downstream Products: 2,5-Dichloropyrazine.
Data compiled from public chemical databases such as PubChem 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-1403541-7 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.