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2-Hydroxy-3-cyanopyridine

Also known as: 2-Hydroxynicotinonitrile, 2-Hydroxypyridine-3-carbonitrile, 3-Cyano-2(1H)-pyridinone, 3-Cyano-2-hydroxypyridine, 3-Cyano-2-pyridinol, 3-Cyano-2-pyridone, 1,2-Dihydro-2-oxopyridine-3-carbonitrile, 2-Oxo-1,2-dihydropyridine-3-carbonitrile, 3-Pyridinecarbonitrile, 1,2-dihydro-2-oxo-

2-Hydroxy-3-cyanopyridine (CAS 20577-27-9) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C6H4N2O and a molecular weight of 120.109 g/mol. Key properties include a melting point of 90-94ºC, a boiling point of 352.3±35.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 166.9±25.9 °C. 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.
20577-27-9
Jingsj CID
J-1525875-0
Molecular Formula
C6H4N2O
Molecular Weight
120.109 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point90-94ºC
Boiling Point352.3±35.0 °C at 760 mmHg
Density1.3±0.1 g/cm3
Flash Point166.9±25.9 °C
Exact Mass120.032364
PSA56.65000
LogP-0.89
Vapor Pressure0.0±0.8 mmHg at 25°C
Refractive Index1.572
Storage ConditionsKeep Cold

GHS Safety & Compliance

Corrosion / IrritantSignal word: Danger
  • H302 — Harmful if swallowed
  • H318 — Causes serious eye damage

Customs & Trade Information

HS Code2933399090
Summary2933399090. other compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure. 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-Hydroxy-3-cyanopyridine?

The CAS number of 2-Hydroxy-3-cyanopyridine is 20577-27-9.

What are the molecular formula and molecular weight of 2-Hydroxy-3-cyanopyridine?

2-Hydroxy-3-cyanopyridine has molecular formula C6H4N2O and molecular weight 120.109 g/mol.

Is 2-Hydroxy-3-cyanopyridine hazardous?

2-Hydroxy-3-cyanopyridine 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 2-Hydroxy-3-cyanopyridine?

For 2-Hydroxy-3-cyanopyridine, Upstream Products: 2-Chloronicotinonitrile, 3-Cyanopyridine 1-oxide, 1,1,3,3-Tetramethoxypropane; Downstream Products: 5-Bromo-2-hydroxynicotinonitrile, 5-Bromo-1H-pyrazolo[3,4-b]pyridin-3-amine, 5-Bromo-2-chloro-3-cyanopyridine.

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-Hydroxy-3-cyanopyridine (CAS 20577-27-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1525875-0 (accessed 2026-11-09).

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