Description

(E)-2-Phenyl-2-Butenoic Acid CAS NO 20432-26-2 is a high-purity, unsaturated carboxylic acid derivative characterized by its distinct phenyl and alkenyl substituents. This compound serves as a versatile and valuable chemical intermediate and building block in advanced organic synthesis. It is essential for research and development chemists and manufacturers in the pharmaceutical and fine chemical industries, where precise molecular architecture is critical for creating active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A key chiral building block for the synthesis of novel active pharmaceutical ingredients (APIs) and potential drug candidates.
• Fine Chemical Synthesis: Used in the preparation of complex organic molecules, including ligands, catalysts, and specialty polymers.
• Agrochemical Research: Serves as a precursor in the development of new herbicides, fungicides, and plant growth regulators.
• Material Science: Employed in the creation of advanced monomers for specialty polymers and liquid crystal materials.
• Academic & Industrial R&D: A valuable reagent for methodological studies in organic chemistry, including cross-coupling and asymmetric synthesis.
• Flavor & Fragrance Industry: Potential use as an intermediate for synthesizing specific aromatic compounds.

Basic Information

Product Name	(E)-2-Phenyl-2-Butenoic Acid
CAS No.	20432-26-2
Molecular Formula	C10H10O2
Molecular Weight	162.19 g/mol
Synonyms	(E)-2-Phenylbut-2-enoic Acid; trans-2-Phenyl-2-butenoic Acid; α-Methylcinnamic Acid; (E)-α-Methylcinnamic Acid; 2-Butenoic acid, 2-phenyl-, (2E)-; (E)-2-Phenylcrotonic Acid; trans-α-Methylcinnamic Acid
EINECS	Contact for details

Quality Control

Our (E)-2-Phenyl-2-Butenoic Acid is produced under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure high purity and consistent performance. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing key parameters such as assay, isomeric purity, and impurity profiles. Our quality commitment ensures the material is suitable for demanding GMP-related and research applications.

Storage

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

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
(E)-Isomer Purity (HPLC)	≥ 99.0%
Melting Point	Contact for details
Loss on Drying	≤ 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.