Skip to main content

2,6-Dihydroxyquinoline

Also known as: 6-Hydroxyquinolin-2(1H)-one, 2,6-Quinolinediol, 6-Hydroxycarbostyril, 1,2-Dihydro-6-hydroxy-2-oxoquinoline, 6-Hydroxy-2(1H)-quinolinone, 6-Hydroxy-1H-quinolin-2-one, 6-Hydroxy-2-quinolinone, 6-Hydroxy-2(H)-quinolinone, 6-Hydroxyquinolin-2-one, quinoline-2,6-diol, 6-hydroxycarbostyril, 6-hydroquinilinone, 6-hydroxy-2-quinolone, AKOS 222-06

2,6-Dihydroxyquinoline (CAS 19315-93-6) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C9H7NO2 and a molecular weight of 161.157 g/mol. Key properties include a melting point of 188-190 °C(lit.), a boiling point of 441.7±25.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 220.9±23.2 °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.
19315-93-6
Jingsj CID
J-27729-2
Molecular Formula
C9H7NO2
Molecular Weight
161.157 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point188-190 °C(lit.)
Boiling Point441.7±25.0 °C at 760 mmHg
Density1.4±0.1 g/cm3
Flash Point220.9±23.2 °C
Exact Mass161.047684
PSA53.35000
LogP1.59
Vapor Pressure0.0±1.1 mmHg at 25°C
Refractive Index1.743

GHS Safety & Compliance

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

Customs & Trade Information

HS Code2933499090
Summary2933499090. 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 2,6-Dihydroxyquinoline?

The CAS number of 2,6-Dihydroxyquinoline is 19315-93-6.

What are the molecular formula and molecular weight of 2,6-Dihydroxyquinoline?

2,6-Dihydroxyquinoline has molecular formula C9H7NO2 and molecular weight 161.157 g/mol.

Is 2,6-Dihydroxyquinoline hazardous?

2,6-Dihydroxyquinoline 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 2,6-Dihydroxyquinoline?

For 2,6-Dihydroxyquinoline, Upstream Products: 6-methoxyquinolin-2(1H)-one, p-Anisidine, 6-Methoxyquinoline N-oxide; Downstream Products: 3,4-Dehydro Cilostazol, 2-Chloro-6-methoxyquinoline, 6-[3-(1-cyclohexyl-1H-tetrazol-5-yl)propoxy]quinolin-2(1H)-one.

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

Last updated:

How to cite: Jingsj. "2,6-Dihydroxyquinoline (CAS 19315-93-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-27729-2 (accessed 2026-11-09).

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