(2E)-1-cyclopropyl-3-(dimethylamino)-2-propen-1-one

(E)-1-环丙基-3-(二甲氨基)丙-2-烯-1-酮

Also known as: 1-cyclopropyl-3-(dimethylamino)-2-propen-1-one, 1-cyclopropyl-3-(dimethylamino)prop-2-en-1-one, 2-Propen-1-one, 1-cyclopropyl-3-(dimethylamino)-, Cyclopropyl-2-(dimethylamino)vinylketon

(2E)-1-cyclopropyl-3-(dimethylamino)-2-propen-1-one (CAS 21666-68-2) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C8H13NO and a molecular weight of 139.195 g/mol. It is also known as 1-cyclopropyl-3-(dimethylamino)-2-propen-1-one, 1-cyclopropyl-3-(dimethylamino)prop-2-en-1-one and 2-Propen-1-one, 1-cyclopropyl-3-(dimethylamino)-. Key properties include a boiling point of 218.4±23.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 76.2±12.0 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 21666-68-2
Jingsj CID: J-1018245-1
Molecular Formula: C₈H₁₃NO
Chinese Name: (E)-1-环丙基-3-(二甲氨基)丙-2-烯-1-酮
Molecular Weight: 139.195 g/mol
Category: Ketones
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	218.4±23.0 °C at 760 mmHg
Density	1.0±0.1 g/cm3
Flash Point	76.2±12.0 °C

Frequently Asked Questions

What is the CAS number of (2E)-1-cyclopropyl-3-(dimethylamino)-2-propen-1-one?

The CAS number of (2E)-1-cyclopropyl-3-(dimethylamino)-2-propen-1-one is 21666-68-2.

What are the molecular formula and molecular weight of (2E)-1-cyclopropyl-3-(dimethylamino)-2-propen-1-one?

(2E)-1-cyclopropyl-3-(dimethylamino)-2-propen-1-one has molecular formula C8H13NO and molecular weight 139.195 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. "(2E)-1-cyclopropyl-3-(dimethylamino)-2-propen-1-one (CAS 21666-68-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1018245-1 (accessed 2026-10-23).

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