Description

3-Butenoic Acid, 2,2-Dimethyl-, Methyl Ester is a specialized organic ester compound valued for its role as a versatile chemical intermediate and building block in advanced synthesis. Its structure, featuring a reactive terminal alkene and an ester group, makes it a key precursor for the production of fine chemicals, pharmaceuticals, and performance materials. This product is essential for R&D chemists and process engineers in the pharmaceutical, agrochemical, and specialty polymer industries seeking to introduce specific functional groups into complex molecules.

Application

• Pharmaceutical Intermediate: Serves as a key building block in the synthesis of active pharmaceutical ingredients (APIs), particularly for introducing the 2,2-dimethyl-3-butenoate moiety.
• Agrochemical Synthesis: Used in the production of advanced herbicides, fungicides, and plant growth regulators requiring specific branched-chain ester functionalities.
• Fine Chemical Production: Acts as a precursor for flavors, fragrances, and other specialty organic compounds where its unique structure imparts specific properties.
• Polymer & Material Science: Employed as a monomer or co-monomer in the development of specialty polymers with tailored properties, such as adhesives and coatings.
• Organic Synthesis Reagent: Utilized in research laboratories for Michael additions, cycloadditions, and other carbon-carbon bond-forming reactions.
• Cross-coupling Reactions: The alkene functionality makes it a suitable substrate for various metal-catalyzed cross-coupling processes in complex molecule assembly.

Basic Information

Product Name	3-Butenoic Acid, 2,2-Dimethyl-, Methyl Ester
CAS No.	19757-86-9
Molecular Formula	C7H12O2
Molecular Weight	128.17 g/mol
Synonyms	Methyl 2,2-Dimethyl-3-butenoate; 2,2-Dimethyl-3-butenoic Acid Methyl Ester; 3-Butenoic acid, 2,2-dimethyl-, methyl ester; Methyl 3,3-dimethylacrylate (common name); 2,2-Dimethylvinylacetic acid methyl ester
EINECS	Contact for details

Quality Control

Our production of 3-Butenoic Acid, 2,2-Dimethyl-, Methyl Ester adheres to stringent quality protocols to ensure batch-to-batch consistency and high purity. Each lot is analyzed using advanced chromatographic and spectroscopic techniques. Certificates of Analysis (COA) documenting identity, purity, and impurity profiles are available for every shipment. We support compliance with cGMP and ISO 9001 standards for industrial and research applications.

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 acids, bases, and oxidizing agents. Recommended storage temperature is between 15°C and 25°C (59°F and 77°F). Keep container tightly sealed when not in use to prevent moisture absorption and maintain product integrity.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Refractive Index (n20D)	1.415 - 1.425
Density (20°C)	0.92 - 0.96 g/mL

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