2-hydroxyquinoline
Also known as: 2-quinolinol, carbostyril, 2(1H)-quinolinone, 2-oxoquinoline, quinolin-2-one, quinolin-2-ol, 2-quinolone
2-hydroxyquinoline (CAS 1321-40-0) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C9H7NO and a molecular weight of 145.15800 g/mol. Key properties include a melting point of 198-199ºC(lit.), a boiling point of 346.7ºC at 760mmHg, a density of 1.188g/cm3 and a flash point of 200.6ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 1321-40-0
- Jingsj CID
- J-1524036-1
- Molecular Formula
- C9H7NO
- Molecular Weight
- 145.15800 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 198-199ºC(lit.) |
|---|---|
| Boiling Point | 346.7ºC at 760mmHg |
| Density | 1.188g/cm3 |
| Flash Point | 200.6ºC |
| Exact Mass | 145.05300 |
| PSA | 33.12000 |
| LogP | 1.94040 |
Frequently Asked Questions
What is the CAS number of 2-hydroxyquinoline?
The CAS number of 2-hydroxyquinoline is 1321-40-0.
What are the molecular formula and molecular weight of 2-hydroxyquinoline?
2-hydroxyquinoline has molecular formula C9H7NO and molecular weight 145.15800 g/mol.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "2-hydroxyquinoline (CAS 1321-40-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1524036-1 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.