Description

3-Butenoic Acid, 2-Methyl-, Ethyl Ester is a versatile, unsaturated ester monomer valued for its reactive terminal double bond and ester functionality. This compound is a crucial building block in polymer chemistry, enabling the synthesis of specialty polymers and copolymers with tailored properties. It is primarily sought by manufacturers in the polymer, specialty chemical, and pharmaceutical intermediate sectors for applications requiring custom molecular architecture.

Application

• Polymer & Resin Synthesis: Key monomer for producing specialty acrylic and methacrylic copolymers, contributing to flexibility and cross-linking capabilities.
• Chemical Intermediate: Serves as a precursor in organic synthesis for pharmaceuticals, agrochemicals, and fine chemicals.
• Adhesive & Coating Formulations: Used to modify the properties of industrial adhesives, paints, and coatings, enhancing durability and adhesion.
• Lubricant & Fuel Additives: Acts as an intermediate in the production of performance-enhancing additives.
• Flavor & Fragrance Industry: Potential use as an intermediate for synthesizing specific ester-based aroma compounds.
• Research & Development: Employed in academic and industrial R&D for exploring new polymeric materials and organic reactions.

Basic Information

Product Name	3-Butenoic Acid, 2-Methyl-, Ethyl Ester
CAS No.	1647-12-7
Molecular Formula	C7H12O2
Molecular Weight	128.17 g/mol
Synonyms	Ethyl 2-Methyl-3-butenoate; 2-Methyl-3-butenoic Acid Ethyl Ester; Ethyl 2-Methylbut-3-enoate; 3-Butenoic acid, 2-methyl-, ethyl ester; 2-Methylvinylacetic Acid Ethyl Ester
EINECS	216-718-6

Quality Control

Our production of 3-Butenoic Acid, 2-Methyl-, Ethyl Ester adheres to stringent quality management protocols. Every batch undergoes comprehensive analytical testing, including chromatography (GC/HPLC) and spectroscopy, to ensure identity, purity, and consistency. A detailed Certificate of Analysis (COA) is provided with each shipment, confirming compliance with agreed specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, well-ventilated area away from heat sources and incompatible materials such as strong oxidizing agents, acids, and bases. Recommended storage temperature is 2-25°C. The container should be kept tightly sealed to prevent moisture absorption and evaporation.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Refractive Index (20°C)	1.415 - 1.425
Density (20°C)	0.91 - 0.93 g/mL

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