Description

Diethyl Methoxymethylenemalonate is a versatile and high-purity organic building block essential for advanced chemical synthesis. This compound serves as a key reagent in the construction of complex heterocyclic and pharmaceutical intermediates, valued for its reactivity and selectivity. It is primarily sought by research institutions and manufacturers in the pharmaceutical, agrochemical, and fine chemical sectors for developing active ingredients and novel compounds.

Application

• Pharmaceutical Intermediate: A crucial precursor in the synthesis of quinolone and fluoroquinolone antibiotics, such as ciprofloxacin and norfloxacin.
• Agrochemical Synthesis: Used in the production of advanced herbicides, fungicides, and plant growth regulators.
• Fine Chemical Building Block: Employed in the preparation of complex heterocyclic compounds, dyes, and functional materials.
• Research & Development: A valuable reagent in academic and industrial R&D for exploring new synthetic pathways and drug discovery.
• Chemical Synthesis: Acts as a Michael acceptor and a diester component in various condensation and cyclization reactions.

Basic Information

Product Name	Diethyl Methoxymethylenemalonate
CAS No.	40131-09-7
Molecular Formula	C10H16O5
Molecular Weight	216.23 g/mol
Synonyms	Diethyl (methoxymethylene)malonate; Ethyl (methoxymethylene)malonate; Methoxymethylenemalonic Acid Diethyl Ester; Diethyl Methoxymethylene Malonate; EMME; Diethyl Methoxymethylenemalonate; Diethyl 2-(Methoxymethylene)malonate; NSC 40898
EINECS	254-818-7

Quality Control

Our Diethyl Methoxymethylenemalonate is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high purity and consistency. A comprehensive Certificate of Analysis (COA) detailing identity, assay, and impurity profiles is provided with every shipment to guarantee compliance with your research or production specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from heat, sparks, and open flame. The product is light-sensitive and should be handled accordingly to maintain stability.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC/HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Refractive Index (n20D)	1.450 - 1.455
Density (20°C)	1.08 - 1.12 g/mL

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