Description

Diethyl Dimethylmalonate is a versatile diester compound, specifically the diethyl ester of dimethylmalonic acid. This high-purity chemical intermediate is valued for its role as a key building block in organic synthesis, enabling the introduction of a gem-dimethyl malonate moiety. It is essential for manufacturers and R&D laboratories in the pharmaceutical, agrochemical, and specialty chemical sectors seeking to synthesize complex molecules with precision and efficiency.

Application

• Pharmaceutical Intermediate: A crucial building block for the synthesis of active pharmaceutical ingredients (APIs), particularly in creating compounds with quaternary carbon centers.
• Agrochemical Synthesis: Used in the production of advanced pesticides, herbicides, and fungicides requiring specific malonate-derived structures.
• Fine Chemical Production: Serves as a precursor for flavors, fragrances, and other specialty organic compounds.
• Polymer & Material Science: Acts as a monomer or cross-linking agent in the development of specialized polymers and resins.
• Organic Synthesis Reagent: Employed in classic reactions such as the malonic ester synthesis for chain elongation and the preparation of carboxylic acids and ketones.
• Research & Development: A valuable tool in academic and industrial R&D for exploring new synthetic pathways and novel molecular architectures.

Basic Information

Product Name	Diethyl Dimethylmalonate
CAS No.	1619-62-1
Molecular Formula	C9H16O4
Molecular Weight	188.22 g/mol
Synonyms	Diethyl 2-methyl-2-methylmalonate; Dimethylmalonic Acid Diethyl Ester; Diethyl 2,2-dimethylmalonate; Diethyl Dimethyl Propanedioate; Propanedioic acid, 2,2-dimethyl-, diethyl ester; Malonic acid, dimethyl-, diethyl ester; Diethyl 2,2-dimethylpropanedioate
EINECS	216-581-8

Quality Control

Our Diethyl Dimethylmalonate is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including chromatography (GC/HPLC) and spectroscopy (IR, NMR), to verify identity, potency, and impurity profiles. A detailed Certificate of Analysis (COA) documenting all specifications is provided with every shipment to support your quality assurance protocols.

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. For long-term storage, consider under an inert atmosphere to maintain optimal purity.

Specification

Item	Specification
Appearance	Colorless to pale yellow clear liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Refractive Index (n20D)	1.412 - 1.416
Density (20°C)	1.010 - 1.030 g/mL

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