4-(Benzylamino)pent-3-en-2-one

4-苄氨基-3-戊烯-2-酮

Also known as: 4-Benzylamino-pent-3-en-2-one, 4-(Benzylamino)-3-penten-2-one, 3-Penten-2-one, 4-[(phenylmethyl)amino]-, 4-Benzylaminopent-3-en-2-one, 4-[(phenylmethyl)amino]-3-penten-2-one, 4-benzylamino-3-penten-2-on, 2-benzylamino-2-penten-4-one, 2-benzylamino-2-pentene-4-one

4-(Benzylamino)pent-3-en-2-one (CAS 21396-42-9) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C12H15NO and a molecular weight of 189.25400 g/mol. It is also known as 4-Benzylamino-pent-3-en-2-one, 4-(Benzylamino)-3-penten-2-one and 3-Penten-2-one, 4-[(phenylmethyl)amino]-. Key properties include a boiling point of 335ºC, a density of 1.008 and a flash point of 135ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
21396-42-9
Jingsj CID
J-1492764-3
Molecular Formula
C12H15NO
Chinese Name
4-苄氨基-3-戊烯-2-酮
Molecular Weight
189.25400 g/mol
Category
Ketones
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point335ºC
Density1.008
Flash Point135ºC

Frequently Asked Questions

What is the CAS number of 4-(Benzylamino)pent-3-en-2-one?

The CAS number of 4-(Benzylamino)pent-3-en-2-one is 21396-42-9.

What are the molecular formula and molecular weight of 4-(Benzylamino)pent-3-en-2-one?

4-(Benzylamino)pent-3-en-2-one has molecular formula C12H15NO and molecular weight 189.25400 g/mol.

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

Last updated:

How to cite: Jingsj. "4-(Benzylamino)pent-3-en-2-one (CAS 21396-42-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1492764-3 (accessed 2026-10-24).

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