1-(4-Dimethylaminobut-2-ynyl)pyrrolidin-2-one

1-(4-二甲基氨基-2-丁炔)-吡咯烷-2-酮

Also known as: 1-(4-DIMETHYLAMINO-BUT-2-YNYL)-PYRROLIDIN-2-ONE, 1-(4-Dimethylamino-2-butynyl)-2-pyrrolidone, 1-(4-Dimethylaminobut-2-ynyl)pyrrolid-2-one, 1-[4-(DIMETHYLAMINO)BUT-2-YN-1-YL]PYRROLIDIN-2-ONE, 2-Pyrrolidinone,1-(4-(dimethylamino)-2-butynyl), BR 100, N,N-Dimethyl-4-(2-oxopyrrolidine-1-yl)-2-butyne-1-amine

1-(4-Dimethylaminobut-2-ynyl)pyrrolidin-2-one (CAS 3854-02-2) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C10H16N2O and a molecular weight of 180.24700 g/mol. It is also known as 1-(4-DIMETHYLAMINO-BUT-2-YNYL)-PYRROLIDIN-2-ONE, 1-(4-Dimethylamino-2-butynyl)-2-pyrrolidone and 1-(4-Dimethylaminobut-2-ynyl)pyrrolid-2-one. Key properties include a boiling point of 320.9ºC at 760 mmHg, a density of 1.057g/cm3 and a flash point of 140.1ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
3854-02-2
Jingsj CID
J-1095842-9
Molecular Formula
C10H16N2O
Chinese Name
1-(4-二甲基氨基-2-丁炔)-吡咯烷-2-酮
Molecular Weight
180.24700 g/mol
Category
Ketones
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point320.9ºC at 760 mmHg
Density1.057g/cm3
Flash Point140.1ºC

Frequently Asked Questions

What is the CAS number of 1-(4-Dimethylaminobut-2-ynyl)pyrrolidin-2-one?

The CAS number of 1-(4-Dimethylaminobut-2-ynyl)pyrrolidin-2-one is 3854-02-2.

What are the molecular formula and molecular weight of 1-(4-Dimethylaminobut-2-ynyl)pyrrolidin-2-one?

1-(4-Dimethylaminobut-2-ynyl)pyrrolidin-2-one has molecular formula C10H16N2O and molecular weight 180.24700 g/mol.

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

Last updated:

How to cite: Jingsj. "1-(4-Dimethylaminobut-2-ynyl)pyrrolidin-2-one (CAS 3854-02-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1095842-9 (accessed 2026-10-25).

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