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1-(sec-Butyl)piperazine

1-(2-丁基)哌嗪

Also known as: 1-(sec-Butyl)piperazine, 1-(butan-2-yl)piperazine, 2-(Piperazin-1-yl)butane, 1-sec-Butyl-piperazine, N-(sec.-butyl)-piperazine, 4-(sec-butyl)piperazine, (methylpropyl)piperazine, 1-(2-butyl)piperazine

1-(sec-Butyl)piperazine (CAS 34581-21-0) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C8H18N2 and a molecular weight of 142.24200 g/mol. It is also known as 1-(butan-2-yl)piperazine, 2-(Piperazin-1-yl)butane and 1-sec-Butyl-piperazine. Key properties include a boiling point of 189.6ºC at 760mmHg, a density of 0.877g/cm3 and a flash point of 61.3ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
34581-21-0
Jingsj CID
J-1047058-5
Molecular Formula
C8H18N2
Chinese Name
1-(2-丁基)哌嗪
Molecular Weight
142.24200 g/mol
Category
Organic Compounds
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point189.6ºC at 760mmHg
Density0.877g/cm3
Flash Point61.3ºC

Frequently Asked Questions

What is the CAS number of 1-(sec-Butyl)piperazine?

The CAS number of 1-(sec-Butyl)piperazine is 34581-21-0.

What are the molecular formula and molecular weight of 1-(sec-Butyl)piperazine?

1-(sec-Butyl)piperazine has molecular formula C8H18N2 and molecular weight 142.24200 g/mol.

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

Last updated:

How to cite: Jingsj. "1-(sec-Butyl)piperazine (CAS 34581-21-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1047058-5 (accessed 2026-10-24).

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