4-(piperidin-4-yl)pyridine

Also known as: Isonicotine, 4-(4-Piperidyl)pyridine, 4-Piperidin-4-ylpyridine, 4-(4-Pyridyl)piperidine, 4-PYRIDIN-4-YL-PIPERIDINE, 1,2,3,4,5,6-HEXAHYDRO-[4,4']BIPYRIDINYL, 4-(4-Piperidinyl)pyridine, Pyridine, 4-(4-piperidinyl)-

4-(piperidin-4-yl)pyridine (CAS 581-45-3) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C10H14N2 and a molecular weight of 162.232 g/mol. Key properties include a melting point of 86-88ºC, a boiling point of 292.0±0.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 120.4±25.4 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 581-45-3
Jingsj CID: J-1510865-6
Molecular Formula: C₁₀H₁₄N₂
Molecular Weight: 162.232 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	86-88ºC
Boiling Point	292.0±0.0 °C at 760 mmHg
Density	1.0±0.1 g/cm3
Flash Point	120.4±25.4 °C
Exact Mass	162.115692
PSA	24.92000
LogP	0.90
Vapor Pressure	0.0±0.6 mmHg at 25°C
Refractive Index	1.524

Customs & Trade Information

HS Code	2933990090
Summary	2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. 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 4-(piperidin-4-yl)pyridine?

The CAS number of 4-(piperidin-4-yl)pyridine is 581-45-3.

What are the molecular formula and molecular weight of 4-(piperidin-4-yl)pyridine?

4-(piperidin-4-yl)pyridine has molecular formula C10H14N2 and molecular weight 162.232 g/mol.

What are the upstream and downstream products of 4-(piperidin-4-yl)pyridine?

For 4-(piperidin-4-yl)pyridine, Upstream Products: 4,4'-Bipyridine, tert-butyl 4-(pyridin-4-yl)piperidine-1-carboxylate; Downstream Products: Isonicotinic acid, tert-butyl 4-(pyridin-4-yl)piperidine-1-carboxylate.

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-(piperidin-4-yl)pyridine (CAS 581-45-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1510865-6 (accessed 2026-11-07).

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