Description

Methyl 3-Methyl-2-Butenoate is a versatile ester derivative of 3-methyl-2-butenoic acid, valued for its role as a key chemical intermediate and flavor/fragrance component. Its structure makes it a valuable building block in organic synthesis, particularly for introducing the prenyl (3-methyl-2-butenoyl) moiety. This compound is essential for manufacturers in the agrochemical, pharmaceutical, and specialty chemical industries seeking reliable, high-purity intermediates for complex synthesis.

Application

• Agrochemical Intermediate: Serves as a precursor in the synthesis of certain pesticides and herbicides, leveraging its reactive ester functionality.
• Pharmaceutical Synthesis: Used as a building block for creating active pharmaceutical ingredients (APIs), especially those requiring the 3-methyl-2-butenoate ester group.
• Flavor and Fragrance Industry: Imparts fruity, apple-like notes and is used in the creation of complex aroma chemicals and artificial flavors.
• Organic Synthesis: Acts as a Michael acceptor in conjugate addition reactions and a substrate for hydrolysis, transesterification, and reduction to produce other valuable chemicals.
• Polymer Chemistry: Can be utilized as a monomer or co-monomer in specialty polymer formulations, contributing specific ester functionalities.
• Research & Development: A valuable reagent in academic and industrial R&D labs for methodological studies and novel compound development.

Basic Information

Product Name	Methyl 3-Methyl-2-Butenoate
CAS No.	924-50-5
Molecular Formula	C6H10O2
Molecular Weight	114.14 g/mol
Synonyms	3-Methyl-2-butenoic acid methyl ester; Methyl 3,3-dimethylacrylate; Methyl prenoate; Methyl β,β-dimethylacrylate; 2-Butenoic acid, 3-methyl-, methyl ester; Methyl senecionate; Methyl 3-methylcrotonate
EINECS	213-104-6

Quality Control

Our Methyl 3-Methyl-2-Butenoate is produced under stringent quality management systems. Each batch undergoes comprehensive analytical testing, including Gas Chromatography (GC) and Infrared Spectroscopy (IR), to ensure high purity and consistent performance. Certificates of Analysis (COA) detailing identity, assay, and impurity profiles are available upon request to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from incompatible materials such as strong bases and oxidizing agents. Recommended storage temperature is 15-25°C. Keep container tightly sealed when not in use to maintain quality and prevent moisture absorption.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 98.0%
Refractive Index (20°C)	1.423 - 1.427
Density (20°C)	0.945 - 0.955 g/mL
Water Content (KF)	≤ 0.5%

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