Ethyl Acetoacetate (EAA), known chemically as ethyl 3-oxobutanoate and identified by CAS number 141-97-9, is a fundamental organic compound that underpins numerous industrial processes. Its unique structural features and reactivity make it an indispensable intermediate in the synthesis of pharmaceuticals, dyes, flavors, and agrochemicals. Understanding its properties and the manufacturing landscape is crucial for procurement professionals and R&D scientists seeking to leverage its capabilities. This article provides an overview of EAA's characteristics and insights into its global supply chain.

Key Properties and Characteristics: Ethyl Acetoacetate is a clear, colorless liquid with a distinctive, pleasant fruity aroma, which lends itself to applications in the food and fragrance industries. Its molecular formula is C6H10O3, and it possesses a molecular weight of 130.14 g/mol. Key physical parameters include a boiling point of approximately 180.6 °C and a melting point of -43 °C, making it easily handled under standard laboratory and industrial conditions. Crucially, EAA is known for its high purity, typically exceeding 99%, which is essential for sensitive synthetic applications. Its chemical structure features an active methylene group, making it highly reactive and a prime candidate for various organic transformations, most notably the acetoacetic ester synthesis.

Diverse Industrial Applications: The versatility of Ethyl Acetoacetate is evident in its widespread use across multiple industries: * Pharmaceuticals: It is a vital intermediate in the synthesis of APIs, vitamins, and heterocyclic compounds. For instance, it is used in the production of certain analgesics and Vitamin B. * Dyes: EAA is employed in the manufacturing of azo yellow dyes and other colorants, contributing to vibrant hues in textiles and other materials. * Flavors and Fragrances: Its characteristic fruity smell makes it a valuable component in flavor formulations, especially for fruit-based products. * Agrochemicals: It serves as a precursor for synthesizing organophosphorus insecticides, fungicides, and herbicides, supporting modern agricultural practices. * Coatings and Additives: EAA finds utility in certain lacquer formulations and as a specialty additive.

Manufacturing and Sourcing Considerations: The production of Ethyl Acetoacetate typically involves the Claisen condensation of ethyl acetate. Globally, manufacturers are concentrated in regions with robust chemical industries, including China, which is a major supplier offering competitive prices for bulk quantities. When sourcing Ethyl Acetoacetate, buyers should prioritize manufacturers that can provide consistent quality, detailed technical specifications, and reliable delivery. Requesting a free sample is an excellent way to assess purity and suitability for specific applications before placing a large purchase order. Establishing a relationship with a trusted supplier ensures access to this crucial chemical intermediate for ongoing production needs.

In summary, Ethyl Acetoacetate is a high-value intermediate whose chemical properties and reactivity are essential for innovation across multiple industrial sectors. Understanding its applications and navigating the sourcing landscape effectively are key to maximizing its potential in your chemical synthesis and product development endeavors.