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4-Hydroxy-2-methylquinoline

Also known as: 2-Methyl-4-quinolinol, 2-Methyl-4-hydroxyquinoline, 2-Methylquinolin-4-ol, 2-Methylquinolin-4(1H)-one, 2-Methylquinolin-4-one, 2-methyl-1H-quinolin-4-one, 2-methylquinolin-4(1H)-one, 2-methylquinolin-4-ol, 4-Quinolinol, 2-methyl-, 4-Hydroxyquinaldine, AKOS 91415, EINECS 210-140-6, MFCD00006758, TIMTEC-BB SBB003979

4-Hydroxy-2-methylquinoline (CAS 607-67-0) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C10H9NO and a molecular weight of 159.185 g/mol. Key properties include a melting point of 234-236 °C(lit.), a boiling point of 270.8±40.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 120.1±27.5 °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.
607-67-0
Jingsj CID
J-49432-6
Molecular Formula
C10H9NO
Molecular Weight
159.185 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point234-236 °C(lit.)
Boiling Point270.8±40.0 °C at 760 mmHg
Density1.1±0.1 g/cm3
Flash Point120.1±27.5 °C
Exact Mass159.068420
PSA33.12000
LogP3.09
Vapor Pressure0.0±0.6 mmHg at 25°C
Refractive Index1.574

GHS Safety & Compliance

IrritantSignal word: Warning
  • H315 — Causes skin irritation
  • H319 — Causes serious eye irritation
  • H335 — May cause respiratory irritation

Frequently Asked Questions

What is the CAS number of 4-Hydroxy-2-methylquinoline?

The CAS number of 4-Hydroxy-2-methylquinoline is 607-67-0.

What are the molecular formula and molecular weight of 4-Hydroxy-2-methylquinoline?

4-Hydroxy-2-methylquinoline has molecular formula C10H9NO and molecular weight 159.185 g/mol.

Is 4-Hydroxy-2-methylquinoline hazardous?

4-Hydroxy-2-methylquinoline has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.

What are the upstream and downstream products of 4-Hydroxy-2-methylquinoline?

For 4-Hydroxy-2-methylquinoline, Upstream Products: 4-Chloro-2-methylquinoline, Ethyl acetoacetate, Ethyl 3-anilinobut-2-enoate; Downstream Products: 4-Hydrazinyl-2-methylquinoline, 2-Quinolinecarboxaldehyde, 4-Bromo-2-methylquinoline.

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-Hydroxy-2-methylquinoline (CAS 607-67-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-49432-6 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.