Description

(E)-4-Methylpent-2-Enoic Acid is a high-purity unsaturated carboxylic acid characterized by its specific geometric isomerism. This compound serves as a valuable chiral building block and intermediate in advanced organic synthesis, offering precise structural control for complex molecule construction. It is primarily utilized by research institutions and industrial manufacturers in the pharmaceutical, agrochemical, and specialty chemical sectors for developing active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key chiral synthon for the synthesis of active pharmaceutical ingredients (APIs), particularly in stereoselective reactions.
• Agrochemical Synthesis: Building block for creating advanced herbicides, fungicides, and plant growth regulators with specific activity profiles.
• Fine Chemical Production: Intermediate in the manufacture of flavors, fragrances, and other specialty organic compounds.
• Polymer Chemistry: Monomer or co-monomer for producing specialty polymers with tailored properties, such as acrylic resins.
• Academic & Industrial Research: Used in methodological development and as a reference standard in chemical research.
• Liquid Crystal & Electronic Materials: Potential precursor for materials used in display technologies and organic electronics.

Basic Information

Product Name	(E)-4-Methylpent-2-Enoic Acid
CAS No.	16666-43-6
Molecular Formula	C6H10O2
Molecular Weight	114.14 g/mol
Synonyms	(E)-4-Methyl-2-pentenoic Acid; trans-4-Methyl-2-pentenoic Acid; (E)-4-Methylpent-2-enoic Acid; 4-Methyl-trans-2-pentenoic Acid; 2-Pentenoic acid, 4-methyl-, (E)-; 4-Methyl-(E)-2-pentenoic acid; β,γ-Dimethylacrylic Acid (related); Tiglic Acid Isomer
EINECS	Contact for details

Quality Control

Our (E)-4-Methylpent-2-Enoic Acid is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including chromatographic purity assay, isomeric purity confirmation, and identification, to ensure it meets stringent specifications for research and industrial use. A Certificate of Analysis (COA) detailing all test results is provided with every shipment to guarantee traceability and compliance with your project requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Keep away from strong bases, oxidizing agents, and heat sources. Due to its acidic nature, ensure containers are made of compatible materials and are properly sealed.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Isomeric Purity ((E)-isomer)	≥ 98.0%
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.