Description

4-Phenyl-2-Butenoic Acid Butyl Ester is a specialized organic ester compound with the CAS registry number 54966-43-7. This chemical serves as a valuable intermediate and building block in advanced organic synthesis, prized for its specific molecular structure that enables the introduction of both phenyl and ester functionalities. It is primarily sought after by research and development laboratories, fine chemical manufacturers, and pharmaceutical companies engaged in the synthesis of complex molecules, fragrances, and active pharmaceutical ingredients (APIs).

Application

• Pharmaceutical Intermediate: A key building block in the multi-step synthesis of complex drug molecules and active pharmaceutical ingredients (APIs).
• Fine Chemical Synthesis: Used in the production of specialty chemicals, including advanced ligands, catalysts, and other high-value organic compounds.
• Fragrance and Flavor Precursor: Serves as a starting material or intermediate in the creation of specific aromatic esters for fragrance and flavor formulations.
• Agrochemical Research: Employed in the development and synthesis of novel agrochemicals and plant protection agents.
• Material Science: Investigated as a monomer or additive in the development of specialized polymers and advanced materials.
• Academic and Industrial R&D: Utilized in chemical research for method development, catalysis studies, and exploring new organic reactions.

Basic Information

Product Name	4-Phenyl-2-Butenoic Acid Butyl Ester
CAS No.	54966-43-7
Molecular Formula	C₁₄H₁₈O₂
Molecular Weight	218.29 g/mol
Synonyms	Butyl 4-Phenyl-2-butenoate; Butyl (E)-4-Phenylbut-2-enoate; 4-Phenyl-2-butenoic Acid Butyl Ester; 2-Butenoic Acid, 4-Phenyl-, Butyl Ester; (E)-4-Phenyl-2-butenoic Acid Butyl Ester; trans-4-Phenyl-2-butenoic Acid Butyl Ester; Butyl (E)-4-Phenyl-2-butenoate; Butyl 4-Phenylcrotonate
EINECS	Contact for details

Quality Control

Our 4-Phenyl-2-Butenoic Acid Butyl Ester is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including chromatographic purity analysis and identity confirmation, to ensure it meets the high standards required for research and industrial synthesis. A Certificate of Analysis (COA) detailing specific batch results is provided with every shipment, ensuring full traceability and compliance with your internal quality requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (typically 15-25°C). Keep away from strong oxidizing agents, strong acids, and strong bases. For long-term storage, consider storing under an inert atmosphere to maintain optimal purity.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%

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