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4-(1-Pyrrolidinyl)piperidine

4-(1-吡咯烷基)哌啶

Also known as: 1-(Piperidin-4-yl)pyrrolidine, 4-pyrrolidin-1-ylpiperidine, 4-Pyrrolidinopiperidine, 4-(1-Pyrrolidiniumyl)piperidinium, AKOS BB-9181, MFCD00038011, EINECS 225-676-6

4-(1-Pyrrolidinyl)piperidine (CAS 5004-07-9) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C9H20N2 and a molecular weight of 156.267 g/mol. It is also known as 1-(Piperidin-4-yl)pyrrolidine, 4-pyrrolidin-1-ylpiperidine and 4-Pyrrolidinopiperidine. Key properties include a melting point of 53-56 °C(lit.), a boiling point of 228.8±8.0 °C at 760 mmHg, a density of 0.989 g/cm3 and a flash point of 92.0±9.4 °C. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
5004-07-9
Jingsj CID
J-24821-7
Molecular Formula
C9H20N2
Chinese Name
4-(1-吡咯烷基)哌啶
Molecular Weight
156.267 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point53-56 °C(lit.)
Boiling Point228.8±8.0 °C at 760 mmHg
Density0.989 g/cm3
Flash Point92.0±9.4 °C

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of 4-(1-Pyrrolidinyl)piperidine?

The CAS number of 4-(1-Pyrrolidinyl)piperidine is 5004-07-9.

What are the molecular formula and molecular weight of 4-(1-Pyrrolidinyl)piperidine?

4-(1-Pyrrolidinyl)piperidine has molecular formula C9H20N2 and molecular weight 156.267 g/mol.

Is 4-(1-Pyrrolidinyl)piperidine hazardous?

4-(1-Pyrrolidinyl)piperidine has GHS signal word Warning.

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

Last updated:

How to cite: Jingsj. "4-(1-Pyrrolidinyl)piperidine (CAS 5004-07-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-24821-7 (accessed 2026-10-24).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.