8-Chloro-2-hydroxyquinoline
8-氯-2-羟基喹啉
Also known as: 8-Chloroquinolin-2-ol, 8-Chloro-2(1H)-quinolinone, 8-Chloroquinolin-2(1H)-one, 8-Chlorocarbostyril, 2(1H)-Quinolinone, 8-chloro-, 8-chloro-1H-quinolin-2-one, 8-chloro-2-quinolone, MFCD03427166
8-Chloro-2-hydroxyquinoline (CAS 23981-25-1) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C9H6ClNO and a molecular weight of 179.603 g/mol. It is also known as 8-Chloroquinolin-2-ol, 8-Chloro-2(1H)-quinolinone and 8-Chloroquinolin-2(1H)-one. Key properties include a melting point of 209-212ºC(lit.), a boiling point of 360.1±22.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 171.6±22.3 °C. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 23981-25-1
- Jingsj CID
- J-18663-4
- Molecular Formula
- C9H6ClNO
- Chinese Name
- 8-氯-2-羟基喹啉
- Molecular Weight
- 179.603 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 209-212ºC(lit.) |
|---|---|
| Boiling Point | 360.1±22.0 °C at 760 mmHg |
| Density | 1.4±0.1 g/cm3 |
| Flash Point | 171.6±22.3 °C |
| Exact Mass | 179.013794 |
| PSA | 33.12000 |
| LogP | 2.19 |
| Vapor Pressure | 0.0±0.8 mmHg at 25°C |
| Refractive Index | 1.697 |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
Customs & Trade Information
| HS Code | 2933790090 |
|---|---|
| Summary | 2933790090. other lactams. VAT:17.0%. Tax rebate rate:9.0%. . MFN tariff:9.0%. General tariff:20.0% |
Frequently Asked Questions
What is the CAS number of 8-Chloro-2-hydroxyquinoline?
The CAS number of 8-Chloro-2-hydroxyquinoline is 23981-25-1.
What are the molecular formula and molecular weight of 8-Chloro-2-hydroxyquinoline?
8-Chloro-2-hydroxyquinoline has molecular formula C9H6ClNO and molecular weight 179.603 g/mol.
Is 8-Chloro-2-hydroxyquinoline hazardous?
8-Chloro-2-hydroxyquinoline has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "8-Chloro-2-hydroxyquinoline (CAS 23981-25-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-18663-4 (accessed 2026-10-28).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.