Description

(1-Ethoxyethylidene)Propanedioic Acid Diethyl Ester is a versatile chemical building block and reagent, primarily recognized for its role as a key intermediate in organic synthesis. Its value lies in its ability to facilitate complex molecular transformations, enabling the efficient production of high-value fine chemicals and active pharmaceutical ingredients (APIs). This compound is essential for research institutions, custom synthesis houses, and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries seeking reliable and high-purity intermediates.

Application

• Pharmaceutical Intermediate: A critical precursor in the synthesis of complex drug molecules and active pharmaceutical ingredients (APIs).
• Agrochemical Synthesis: Used in the production of advanced pesticides, herbicides, and plant growth regulators.
• Fine Chemical Manufacturing: Serves as a key building block for dyes, pigments, and other high-value specialty chemicals.
• Academic & Industrial Research: A valuable reagent for methodological development and novel compound synthesis in R&D laboratories.
• Material Science: Potential intermediate in the synthesis of polymers or advanced organic materials.

Basic Information

Product Name	(1-Ethoxyethylidene)Propanedioic Acid Diethyl Ester
CAS No.	3044-06-2
Molecular Formula	C11H18O5
Molecular Weight	230.26 g/mol
Synonyms	Diethyl (1-ethoxyethylidene)malonate; Diethyl 2-(1-ethoxyethylidene)malonate; Ethyl (1-ethoxyethylidene)malonate; (1-Ethoxyethylidene)malonic Acid Diethyl Ester; Propanedioic acid, (1-ethoxyethylidene)-, diethyl ester; Malonic acid, (1-ethoxyethylidene)-, diethyl ester; EEM; Diethyl ethoxyethylidenemalonate
EINECS	221-258-5

Quality Control

Our (1-Ethoxyethylidene)Propanedioic Acid Diethyl Ester is produced under stringent quality management systems. Each batch undergoes rigorous analytical testing, including chromatography (HPLC/GC) and spectroscopic methods (NMR, IR), to ensure high purity and consistent performance. Certificates of Analysis (COA) detailing identity, assay, and impurity profiles are provided to guarantee compliance with your specific research or manufacturing requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (typically 15-25°C). Keep away from heat sources and incompatible materials. For long-term storage, consider an inert atmosphere to maintain product integrity.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Related Substances (HPLC)	Individual impurity ≤ 1.0%; Total impurities ≤ 3.0%

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