4-Hydroxy-7-methylquinoline

Also known as: 7-Methylquinolin-4-ol, 7-Methyl-4-quinolinol, 4-Quinolinol, 7-methyl-, 7-methyl-1H-quinolin-4-one, 7-METHOXYQUINOLIN-4-OL (incorrect, but found in some databases)

4-Hydroxy-7-methylquinoline (CAS 82121-08-2) 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 159.18500 g/mol. Key properties include a boiling point of 286.4ºC at 760 mmHg, a density of 1.15 g/cm3 and a flash point of 129.2ºC. It is classified under GHS with signal word Danger and hazard statements H302 — Harmful if swallowed and H318 — Causes serious eye damage. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 82121-08-2
Jingsj CID: J-996968-0
Molecular Formula: C₁₀H₉NO
Molecular Weight: 159.18500 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	286.4ºC at 760 mmHg
Density	1.15 g/cm3
Flash Point	129.2ºC
Exact Mass	159.06800
PSA	33.12000
LogP	2.24880

GHS Safety & Compliance

Corrosion / IrritantSignal word: Danger

H302 — Harmful if swallowed
H318 — Causes serious eye damage

Frequently Asked Questions

What is the CAS number of 4-Hydroxy-7-methylquinoline?

The CAS number of 4-Hydroxy-7-methylquinoline is 82121-08-2.

What are the molecular formula and molecular weight of 4-Hydroxy-7-methylquinoline?

4-Hydroxy-7-methylquinoline has molecular formula C10H9NO and molecular weight 159.18500 g/mol.

Is 4-Hydroxy-7-methylquinoline hazardous?

4-Hydroxy-7-methylquinoline has GHS signal word Danger and hazard statements H302 — Harmful if swallowed; H318 — Causes serious eye damage.

What are the upstream and downstream products of 4-Hydroxy-7-methylquinoline?

For 4-Hydroxy-7-methylquinoline, Upstream Products: 2-Chloro-3-methylaniline, m-Toluidine; Downstream Products: 4-Chloro-7-methylquinoline.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 8/21/2026

How to cite: Jingsj. "4-Hydroxy-7-methylquinoline (CAS 82121-08-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-996968-0 (accessed 2026-11-09).

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