4-Phenylamino-3-penten-2-one

4-苯氨基-3-戊烯-2-酮

Also known as: (Z)-4-anilinopent-3-en-2-one, (Z)-4-(Phenylamino)pent-3-en-2-one, 3-Penten-2-one, 4-(phenylamino)-, (3Z)-, 4-(phenylamino)pent-3-en-2-one, 4-phenylaminopent-3-en-2-one, MFCD01111655

4-Phenylamino-3-penten-2-one (CAS 26567-78-2) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C11H13NO and a molecular weight of 175.22700 g/mol. It is also known as (Z)-4-anilinopent-3-en-2-one, (Z)-4-(Phenylamino)pent-3-en-2-one and 3-Penten-2-one, 4-(phenylamino)-, (3Z)-. Key property: a melting point of 48-52 °C(lit.). GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 26567-78-2
Jingsj CID: J-1443156-4
Molecular Formula: C₁₁H₁₃NO
Chinese Name: 4-苯氨基-3-戊烯-2-酮
Molecular Weight: 175.22700 g/mol
Category: Ketones
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	48-52 °C(lit.)

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of 4-Phenylamino-3-penten-2-one?

The CAS number of 4-Phenylamino-3-penten-2-one is 26567-78-2.

What are the molecular formula and molecular weight of 4-Phenylamino-3-penten-2-one?

4-Phenylamino-3-penten-2-one has molecular formula C11H13NO and molecular weight 175.22700 g/mol.

Is 4-Phenylamino-3-penten-2-one hazardous?

4-Phenylamino-3-penten-2-one has GHS signal word Warning.

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

Last updated: 8/21/2026

How to cite: Jingsj. "4-Phenylamino-3-penten-2-one (CAS 26567-78-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1443156-4 (accessed 2026-10-25).

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