Skip to main content

5-Hydroxyisoquinoline

Also known as: 5-Isoquinolinol, Isoquinolin-5-ol, 5-Hydroxyisoquinoline, tech., 5-Hydroxyisoquinoline, 90%, MFCD00006906, EINECS 219-456-9

5-Hydroxyisoquinoline (CAS 2439-04-5) 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 145.16 g/mol. Key properties include a melting point of 213-215, a boiling point of 332.1±15.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 154.6±20.4 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
2439-04-5
Jingsj CID
J-11817-2
Molecular Formula
C9H7NO
Molecular Weight
145.16 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point213-215
Boiling Point332.1±15.0 °C at 760 mmHg
Density1.3±0.1 g/cm3
Flash Point154.6±20.4 °C
Exact Mass145.052765
PSA33.12000
LogP1.22
Vapor Pressure0.0±0.7 mmHg at 25°C
Refractive Index1.691

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 5-Hydroxyisoquinoline?

The CAS number of 5-Hydroxyisoquinoline is 2439-04-5.

What are the molecular formula and molecular weight of 5-Hydroxyisoquinoline?

5-Hydroxyisoquinoline has molecular formula C9H7NO and molecular weight 145.16 g/mol.

What are the upstream and downstream products of 5-Hydroxyisoquinoline?

For 5-Hydroxyisoquinoline, Upstream Products: 5-Aminoisoquinoline, Isoquinoline, 5-Isoquinolinesulfonic acid; Downstream Products: 1,2,3,4-Tetrahydro-5-isoquinolinol, 5-Methoxyisoquinoline, 5,6,7,8-Tetrahydroisoquinoline.

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

Last updated:

How to cite: Jingsj. "5-Hydroxyisoquinoline (CAS 2439-04-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-11817-2 (accessed 2026-11-09).

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