2-(2-Thienyl)piperazine

2-(2-噻吩基)哌嗪

Also known as: 2-(2-Thienyl)piperazine, 2-(Thiophen-2-yl)piperazine, 2-Thiophen-2-yl-piperazine, 2-Thien-2-ylpiperazine, 2-piperazin-2-ylthiophene, Piperazine, 2-(2-thienyl)-, (RS)-2-(2-thienyl)piperazine, 2-(2-thienyl)-piperazine, 2-(thien-2-yl)-piperazine, 2-(thiophen-2-yl)piperazine

2-(2-Thienyl)piperazine (CAS 85803-49-2) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C8H12N2S and a molecular weight of 168.25900 g/mol. It is also known as 2-(Thiophen-2-yl)piperazine, 2-Thiophen-2-yl-piperazine and 2-Thien-2-ylpiperazine. Key properties include a melting point of 82-84ºC, a boiling point of 299.7ºC at 760 mmHg, a density of 1.105g/cm3 and a flash point of 135.1ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
85803-49-2
Jingsj CID
J-22482-8
Molecular Formula
C8H12N2S
Chinese Name
2-(2-噻吩基)哌嗪
Molecular Weight
168.25900 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point82-84ºC
Boiling Point299.7ºC at 760 mmHg
Density1.105g/cm3
Flash Point135.1ºC

Frequently Asked Questions

What is the CAS number of 2-(2-Thienyl)piperazine?

The CAS number of 2-(2-Thienyl)piperazine is 85803-49-2.

What are the molecular formula and molecular weight of 2-(2-Thienyl)piperazine?

2-(2-Thienyl)piperazine has molecular formula C8H12N2S and molecular weight 168.25900 g/mol.

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

Last updated:

How to cite: Jingsj. "2-(2-Thienyl)piperazine (CAS 85803-49-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-22482-8 (accessed 2026-10-22).

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