Description

(E)-3-Methylpent-2-Enoic Acid is an unsaturated carboxylic acid characterized by its specific geometric isomerism. This compound serves as a valuable chemical intermediate and building block in advanced organic synthesis, prized for its reactive olefinic and carboxylic acid functionalities. It is primarily utilized by pharmaceutical, agrochemical, and specialty chemical manufacturers for the development of active ingredients and complex molecules.

Application

• Pharmaceutical Intermediate: A key chiral building block in the synthesis of active pharmaceutical ingredients (APIs) and fine chemicals.
• Agrochemical Synthesis: Used in the production of advanced herbicides, fungicides, and plant growth regulators.
• Flavor & Fragrance Ingredient: Serves as a precursor for esters and other compounds used in creating specific flavor and aroma profiles.
• Polymer Chemistry: Acts as a monomer or co-monomer for specialty polymers, contributing specific functional groups to the polymer chain.
• Organic Synthesis Reagent: Employed in research and development for Michael additions, esterifications, and other carbon-carbon bond forming reactions.
• Liquid Crystal & Electronic Materials: Used as a synthetic intermediate for materials requiring specific molecular geometry and polarity.

Basic Information

Product Name	(E)-3-Methylpent-2-Enoic Acid
CAS No.	6290-97-7
Molecular Formula	C6H10O2
Molecular Weight	114.14 g/mol
Synonyms	(E)-3-Methyl-2-pentenoic Acid; trans-3-Methyl-2-pentenoic Acid; 3-Methyl-trans-2-pentenoic Acid; 3-Methylpent-2-enoic Acid; (E)-3-Methyl-2-pentenoate; β-Methyl-α,β-pentenoic Acid; Tiglic Acid Isomer; 2-Pentenoic acid, 3-methyl-, (E)-
EINECS	228-528-7

Quality Control

Our (E)-3-Methylpent-2-Enoic Acid is produced under strict quality management systems. Every batch undergoes comprehensive analytical testing including HPLC, GC, and NMR to verify identity, purity, and isomeric composition. We provide Certificates of Analysis (COA) with each shipment, detailing all critical specifications to ensure it meets the rigorous standards required for pharmaceutical and fine chemical synthesis.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). This material is a strong acid and should be stored separately from bases and oxidizing agents. Due to its sensitivity, it is recommended to store under an inert atmosphere for long-term preservation.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Isomeric Purity ((E)-isomer)	≥ 99.0%
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.