tert-Butyl 4-(prop-2-yn-1-yl)piperazine-1-carboxylate

4-(丙-2-炔-1-基)哌嗪-1-羧酸叔丁酯

Also known as: 1-Boc-4-(2-propyn-1-yl)piperazine, 1-Boc-4-(2-propynyl)piperazine, 1-(tert-Butoxycarbonyl)-4-(2-propynyl)piperazine, tert-Butyl 4-(prop-2-ynyl)piperazine-1-carboxylate, tert-Butyl 4-propargylpiperazine-1-carboxylate, 4-(prop-2-yn-1-yl)piperazine-1-carboxylic acid tert-butyl ester

tert-Butyl 4-(prop-2-yn-1-yl)piperazine-1-carboxylate (CAS 199538-99-3) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C12H20N2O2 and a molecular weight of 224.29900 g/mol. It is also known as 1-Boc-4-(2-propyn-1-yl)piperazine, 1-Boc-4-(2-propynyl)piperazine and 1-(tert-Butoxycarbonyl)-4-(2-propynyl)piperazine. Key properties include a melting point of 53 °C, a boiling point of 292.8ºC at 760 mmHg, a density of 1.05g/cm3 and a flash point of 130.9ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
199538-99-3
Jingsj CID
J-1501888-1
Molecular Formula
C12H20N2O2
Chinese Name
4-(丙-2-炔-1-基)哌嗪-1-羧酸叔丁酯
Molecular Weight
224.29900 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point53 °C
Boiling Point292.8ºC at 760 mmHg
Density1.05g/cm3
Flash Point130.9ºC

Frequently Asked Questions

What is the CAS number of tert-Butyl 4-(prop-2-yn-1-yl)piperazine-1-carboxylate?

The CAS number of tert-Butyl 4-(prop-2-yn-1-yl)piperazine-1-carboxylate is 199538-99-3.

What are the molecular formula and molecular weight of tert-Butyl 4-(prop-2-yn-1-yl)piperazine-1-carboxylate?

tert-Butyl 4-(prop-2-yn-1-yl)piperazine-1-carboxylate has molecular formula C12H20N2O2 and molecular weight 224.29900 g/mol.

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

Last updated:

How to cite: Jingsj. "tert-Butyl 4-(prop-2-yn-1-yl)piperazine-1-carboxylate (CAS 199538-99-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1501888-1 (accessed 2026-10-25).

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