Description

trans-2-Pentenoic Acid is an industrially significant alpha,β-unsaturated carboxylic acid, valued for its role as a versatile chemical intermediate and building block. Its conjugated double bond and carboxylic acid functionality make it a key precursor for synthesizing fine chemicals, pharmaceuticals, and specialty polymers. This high-purity compound is essential for manufacturers and R&D laboratories in the agrochemical, pharmaceutical, and flavor & fragrance sectors seeking reliable, high-quality raw materials.

Application

• Pharmaceutical Intermediate: A key chiral building block for the synthesis of active pharmaceutical ingredients (APIs) and other bioactive molecules.
• Agrochemical Synthesis: Used in the production of advanced herbicides, fungicides, and plant growth regulators.
• Flavor and Fragrance Ingredient: Serves as a precursor for esters and lactones that contribute to fruity and creamy notes in flavors and fragrances.
• Polymer Chemistry: Acts as a monomer or co-monomer in the production of specialty polymers, including adhesives and coatings.
• Organic Synthesis: A valuable reagent in Michael additions, Diels-Alder reactions, and other C-C bond-forming transformations in research and development.
• Chemical Research: Utilized in academic and industrial labs for studying reaction mechanisms and developing new synthetic methodologies.

Basic Information

Product Name	trans-2-Pentenoic Acid
CAS No.	13991-37-2
Molecular Formula	C5H8O2
Molecular Weight	100.12 g/mol
Synonyms	(E)-2-Pentenoic Acid; trans-β-Methylcrotonic Acid; (E)-Pent-2-enoic Acid; 2-trans-Pentenoic Acid; (E)-2-Pentenoic Acid; 2-Pentenoic Acid, (E)-; β-Methylcrotonic Acid; 3-Methyl-2-butenoic Acid (related isomer)
EINECS	Contact for details

Quality Control

Our trans-2-Pentenoic Acid is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing, including assay, identity confirmation, and impurity profiling, to ensure it meets the high standards required for industrial and research applications. A Certificate of Analysis (COA) detailing purity, physical properties, and test results is provided with each shipment and is available upon request.

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 heat sources, strong bases, and oxidizing agents.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.0%
trans-Isomer Content (GC)	≥ 99.0%
Water Content (KF)	≤ 0.5%

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