Ethyl acetoacetate (EAA), identified by CAS number 141-97-9, is a prominent organic compound and a fundamental ester used extensively in synthetic chemistry. Represented by the molecular formula $C_6H_{10}O_3$, it is a colorless, mobile liquid characterized by a pleasant, fruity, and ethereal odor. One of its most significant chemical attributes is its keto-enol tautomerism; at room temperature, it exists as a dynamic equilibrium between its keto and enol forms. This structural duality, combined with a highly reactive “active methylene” group situated between two electron-withdrawing carbonyl groups, makes it an indispensable building block for organic synthesis. Produced industrially via the reaction of diketene with ethanol, ethyl acetoacetate serves as a versatile starting material for a vast array of compounds. Its ability to undergo alkylation, acylation, and cyclization reactions allows it to facilitate the production of complex molecules in the pharmaceutical, agrochemical, and fragrance industries.
* High purity (minimum 99%) guarantees consistent product quality.
* Serves as a versatile intermediate for diverse organic synthesis.
* A key building block for pharmaceuticals, dyes, and pigments.
* Enhances various food flavors and fragrance formulations.
* Essential for the synthesis of important nutritional compounds like Vitamin B1.
* A valuable raw material for paints, plastics, and protective coatings.
* A clear, colorless liquid with a pleasant fruity aroma.
* Crucial precursor in the manufacture of specific medicinal drugs.
* Appearance: Clear, colorless liquid
* Odor: Fruity, ethereal odor
* Purity (GC): Min. 99.0%
* Density @ 20°C: 1.025 – 1.029 g/cm³
* Refractive Index @ 20°C: 1.418 – 1.420
* Acidity (as Acetic Acid): Max. 0.05%
* Moisture Content (KF): Max. 0.05%
* Color (APHA): Max. 10
* Boiling Point: 180-182 °C
* Flash Point: 74 °C (Closed Cup)
* **Pharmaceuticals:** Used as a crucial building block in synthesizing various drugs like antimalarials, anticonvulsants, and anti-inflammatory medications.
* **Agrochemicals:** Functions as an intermediate in producing herbicides, insecticides, and fungicides, aiding in effective crop protection.
* **Fragrances & Flavors:** Employed for its fruity and sweet aroma, enhancing desirable notes in a wide range of products.
* **Dyes & Pigments:** Serves as a precursor in synthesizing certain dyes and pigments, contributing to their color and stability.
* **Polymers & Plastics:** Utilized as a raw material, influencing properties such as flexibility and adhesion in the production of polymers and plastics.
* **General Chemical Synthesis:** Acts as a versatile reagent in organic synthesis for creating numerous other chemicals, including complex molecules and heterocycles.
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