(E)-4-(4-bromophenyl)but-3-en-2-one

(E)-4-(4-溴苯基)丁-3-烯-2-酮

Also known as: (E)-4-(4-bromophenyl)-3-buten-2-one, (E)-4-(4-bromophenyl)-but-3-en-2-one, 4-(4-bromophenyl)-3-buten-2-one, 4-bromo-benzalacetone, 4-bromobenzylideneacetone, 1-p-bromophenylbut-1-en-3-one, (3E)-4-(4-bromophenyl)but-3-en-2-one

(E)-4-(4-bromophenyl)but-3-en-2-one (CAS 3815-31-4) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C10H9BrO and a molecular weight of 225.08200 g/mol. It is also known as (E)-4-(4-bromophenyl)-3-buten-2-one, (E)-4-(4-bromophenyl)-but-3-en-2-one and 4-(4-bromophenyl)-3-buten-2-one. Key property: a boiling point of 321.1°C at 760 mmHg. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 3815-31-4
Jingsj CID: J-1084627-8
Molecular Formula: C₁₀H₉BrO
Chinese Name: (E)-4-(4-溴苯基)丁-3-烯-2-酮
Molecular Weight: 225.08200 g/mol
Category: Ketones
Last updated: 8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Boiling Point	321.1°C at 760 mmHg

Frequently Asked Questions

What is the CAS number of (E)-4-(4-bromophenyl)but-3-en-2-one?

The CAS number of (E)-4-(4-bromophenyl)but-3-en-2-one is 3815-31-4.

What are the molecular formula and molecular weight of (E)-4-(4-bromophenyl)but-3-en-2-one?

(E)-4-(4-bromophenyl)but-3-en-2-one has molecular formula C10H9BrO and molecular weight 225.08200 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. "(E)-4-(4-bromophenyl)but-3-en-2-one (CAS 3815-31-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1084627-8 (accessed 2026-10-26).

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