4-Hydroxyquinoline
Also known as: 4(1H)-Quinolinone, 1,4-Dihydroquinoline-4-one, 1H-quinolin-4-one, 4-Quinolinol, 4-oxo-1,4-dihydroquinoline, 4-quinolone, Chinolin-4-ol, KYNURINE, Quinolin-4(1H)-one, quinolin-4-ol, quinolin-4-one, AKOS 222-32
4-Hydroxyquinoline (CAS 529-37-3) 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 145.158 g/mol. Key properties include a melting point of 200-202ºC(lit.), a boiling point of 313.0±15.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 143.1±20.4 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 529-37-3
- Jingsj CID
- J-1372756-5
- Molecular Formula
- C9H7NO
- Molecular Weight
- 145.158 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 200-202ºC(lit.) |
|---|---|
| Boiling Point | 313.0±15.0 °C at 760 mmHg |
| Density | 1.3±0.1 g/cm3 |
| Flash Point | 143.1±20.4 °C |
| Exact Mass | 145.052765 |
| PSA | 32.86000 |
| LogP | 2.45 |
| Vapor Pressure | 0.0±0.7 mmHg at 25°C |
| Refractive Index | 1.691 |
Customs & Trade Information
| HS Code | 2933499090 |
|---|---|
| Summary | 2933499090. other compounds containing in the structure a quinoline or isoquinoline ring-system (whether or not hydrogenated), not further fused. 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 4-Hydroxyquinoline?
The CAS number of 4-Hydroxyquinoline is 529-37-3.
What are the molecular formula and molecular weight of 4-Hydroxyquinoline?
4-Hydroxyquinoline has molecular formula C9H7NO and molecular weight 145.158 g/mol.
What are the upstream and downstream products of 4-Hydroxyquinoline?
For 4-Hydroxyquinoline, Upstream Products: 2-Amino-1-phenylethanone, Ethyl formate, 2,3-Dihydroquinolin-4(1H)-one; Downstream Products: 4-Methoxyquinoline, 3-Nitro-4-quinolinol, 4-Methoxybenzyl alcohol.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "4-Hydroxyquinoline (CAS 529-37-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1372756-5 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.