Description

Ethyl 2-Methyl-2-Butenoate is a versatile, unsaturated ester 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 creating more complex molecules. This compound is essential for manufacturers in the flavor & fragrance, pharmaceutical, and agrochemical industries seeking reliable, high-purity intermediates.

Application

• Flavor and Fragrance Ingredient: Used as a synthetic flavoring agent to impart fruity, apple-like notes in food products and beverages, and as a component in perfumery.
• Pharmaceutical Intermediate: Serves as a crucial building block in the synthesis of active pharmaceutical ingredients (APIs) and other fine chemicals.
• Agrochemical Synthesis: Acts as an intermediate in the production of pesticides, herbicides, and other crop protection agents.
• Organic Synthesis: Utilized in various organic reactions, including Michael additions and Diels-Alder reactions, to construct complex molecular frameworks.
• Polymer Modification: Can be used as a monomer or co-monomer in specialty polymer production to introduce specific functional groups.
• Research & Development: Employed in academic and industrial R&D laboratories for chemical research and process development.

Basic Information

Product Name	Ethyl 2-Methyl-2-Butenoate
CAS No.	55514-48-2
Molecular Formula	C7H12O2
Molecular Weight	128.17 g/mol
Synonyms	Ethyl 2-Methylcrotonate; Ethyl Tiglate; 2-Methyl-2-butenoic acid ethyl ester; Tiglic acid ethyl ester; Ethyl (E)-2-methyl-2-butenoate; 2-Butenoic acid, 2-methyl-, ethyl ester; Ethyl trans-2-methyl-2-butenoate
EINECS	Contact for details

Quality Control

Our Ethyl 2-Methyl-2-Butenoate is produced under strict quality management systems. Each batch undergoes rigorous analytical testing, including GC and HPLC analysis, 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, well-ventilated area away from heat sources and incompatible materials. Due to its highly volatile and easily oxidized nature, it is recommended to store under an inert atmosphere (e.g., nitrogen) for long-term stability. Keep container tightly sealed when not in use to prevent evaporation and oxidation.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 98.0%
Refractive Index (20°C)	1.423 - 1.427
Specific Gravity (20/20°C)	0.915 - 0.925
Water Content (KF)	≤ 0.2%

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