Description

4-Phenyl-1-Butene-4-One is a versatile organic intermediate featuring a conjugated enone system attached to a phenyl ring. This unique structure makes it a valuable building block for synthesizing more complex molecules in fine chemical and pharmaceutical research. It is primarily sought after by R&D chemists and process development scientists working in advanced material science and active pharmaceutical ingredient (API) manufacturing.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of various heterocyclic compounds and potential drug candidates, particularly those requiring a phenyl-substituted α,β-unsaturated ketone scaffold.
• Fine Chemical Synthesis: Serves as a versatile electrophile in Michael addition reactions and as a dienophile in Diels-Alder cycloadditions for creating complex organic structures.
• Material Science Research: Used in the development of novel organic polymers and small-molecule organic semiconductors where its conjugated system can influence electronic properties.
• Agrochemical Development: Employed as a synthetic intermediate in the research and development of new crop protection agents and plant growth regulators.
• Flavor & Fragrance Chemistry: Acts as a starting material for the synthesis of aroma chemicals and fragrance ingredients that benefit from its specific carbon skeleton.

Basic Information

Product Name	4-Phenyl-1-Butene-4-One
CAS No.	6249-80-5
Molecular Formula	C10H10O
Molecular Weight	146.19 g/mol
Synonyms	4-Phenyl-3-buten-2-one; Benzylideneacetone; 1-Buten-4-one, 4-phenyl-; Methyl styryl ketone; (E)-4-Phenyl-3-buten-2-one; (E)-Benzylideneacetone; trans-Benzylideneacetone; NSC 4765
EINECS	228-394-8

Quality Control

Our 4-Phenyl-1-Butene-4-One is manufactured under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including chromatographic purity analysis and structural confirmation, to ensure it meets the high standards required for research and industrial synthesis. A detailed Certificate of Analysis (COA) is provided with every shipment, guaranteeing traceability and consistent quality.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). Keep away from heat, sparks, and open flame. Due to its light-sensitive nature, containers should be kept in opaque packaging or amber glass.

Specification

Item	Specification
Appearance	Yellow to light yellow crystalline powder or solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	40 - 44 °C

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.