Description

2-Butenoic Acid, 4-Hydroxy-2-Methyl-, Methyl Ester, (2E)- is a high-purity, unsaturated ester derivative with significant utility as a versatile chemical intermediate. This compound matters for its role in synthesizing complex molecules, offering a reactive site for further functionalization and polymerization. It is primarily needed by manufacturers in the pharmaceutical, agrochemical, and specialty polymer industries for research, development, and production processes. CAS No. 28127-65-3.

Application

This chemical intermediate is employed in a variety of advanced synthesis applications, including:

• Pharmaceutical Synthesis: As a key building block for active pharmaceutical ingredients (APIs) and fine chemicals.
• Agrochemical Production: Used in the manufacture of advanced pesticides, herbicides, and plant growth regulators.
• Polymer & Resin Chemistry: Serves as a monomer or co-monomer in the production of specialty polymers, coatings, and adhesives.
• Flavor & Fragrance Industry: A potential precursor for synthesizing specific aroma compounds and esters.
• Chemical Research & Development: A valuable reagent for organic synthesis and material science research in academic and industrial labs.
• Cross-Coupling Reactions: Utilized in palladium-catalyzed and other metal-mediated coupling reactions to construct complex organic frameworks.

Basic Information

Product Name	2-Butenoic Acid, 4-Hydroxy-2-Methyl-, Methyl Ester, (2E)-
CAS No.	28127-65-3
Molecular Formula	C7H10O3
Molecular Weight	142.15 g/mol
Synonyms	Methyl 4-Hydroxy-2-methyl-2-butenoate; (2E)-4-Hydroxy-2-methyl-2-butenoic acid methyl ester; 4-Hydroxy-2-methyl-crotonic acid methyl ester; Methyl 4-hydroxy-2-methylcrotonate; 2-Butenoic acid, 4-hydroxy-2-methyl-, methyl ester, (E)-; Methyl (E)-4-hydroxy-2-methyl-2-butenoate; 2-Methyl-4-hydroxy-2-butenoic acid methyl ester
EINECS	Contact for details

Quality Control

Our 2-Butenoic Acid, 4-Hydroxy-2-Methyl-, Methyl Ester, (2E)- is produced under stringent quality management systems. Each batch undergoes rigorous analytical testing to ensure high purity, consistency, and traceability. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are provided with every shipment to support your quality assurance protocols.

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). This product is hygroscopic (moisture-sensitive); ensure containers are kept tightly sealed to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Related Substances (HPLC)	Total impurities ≤ 2.0%

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