1-(tert-Butyl)pyrrolidin-2-one

N-叔丁基-2-吡咯烷酮

Also known as: 1-tert-Butyl-2-pyrrolidinone, 1-tert-Butyl-2-pyrrolidone, 1-(1,1-Dimethylethyl)pyrrolidin-2-one, 1-(2-Methyl-2-propanyl)-2-pyrrolidinone, N-tert-Butyl-2-pyrrolidinone, N-tert-Butyl-2-pyrrolidone, 2-Pyrrolidinone, 1-(1,1-dimethylethyl)-, EINECS 243-972-3, Einecs 243-972-3

1-(tert-Butyl)pyrrolidin-2-one (CAS 20687-53-0) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C8H15NO and a molecular weight of 141.211 g/mol. It is also known as 1-tert-Butyl-2-pyrrolidinone, 1-tert-Butyl-2-pyrrolidone and 1-(1,1-Dimethylethyl)pyrrolidin-2-one. Key properties include a boiling point of 226.8±9.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 96.5±9.3 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 20687-53-0
Jingsj CID: J-1515815-6
Molecular Formula: C₈H₁₅NO
Chinese Name: N-叔丁基-2-吡咯烷酮
Molecular Weight: 141.211 g/mol
Category: Ketones
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	226.8±9.0 °C at 760 mmHg
Density	1.0±0.1 g/cm3
Flash Point	96.5±9.3 °C

Frequently Asked Questions

What is the CAS number of 1-(tert-Butyl)pyrrolidin-2-one?

The CAS number of 1-(tert-Butyl)pyrrolidin-2-one is 20687-53-0.

What are the molecular formula and molecular weight of 1-(tert-Butyl)pyrrolidin-2-one?

1-(tert-Butyl)pyrrolidin-2-one has molecular formula C8H15NO and molecular weight 141.211 g/mol.

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

Last updated: 8/21/2026

How to cite: Jingsj. "1-(tert-Butyl)pyrrolidin-2-one (CAS 20687-53-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1515815-6 (accessed 2026-10-25).

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