Description

Diethyl n-Decylmalonate is a high-purity diester compound, specifically the diethyl ester of n-decylmalonic acid. This specialty chemical serves as a versatile and critical building block in advanced organic synthesis, valued for its long alkyl chain which imparts unique solubility and reactivity profiles. It is primarily utilized by R&D chemists and process engineers in the pharmaceutical, agrochemical, and fine chemical industries for the synthesis of complex molecules, including active pharmaceutical ingredients (APIs) and performance additives.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of complex drug molecules and active pharmaceutical ingredients (APIs), particularly those requiring long-chain hydrophobic moieties.
• Agrochemical Synthesis: Used in the production of specialized pesticides, herbicides, and plant growth regulators where its malonate structure facilitates ring formation and side-chain introduction.
• Fine Chemical & Fragrance Ingredient: Acts as a precursor for the synthesis of esters and other compounds used in flavors, fragrances, and high-value specialty chemicals.
• Polymer & Material Science: Employed as a monomer or modifying agent in the creation of specialty polymers, coatings, and resins to alter flexibility, hydrophobicity, or other physical properties.
• Organic Synthesis Reagent: Serves as a nucleophile in Michael additions, alkylation reactions, and Knoevenagel condensations to construct carbon-carbon bonds in complex molecular architectures.
• Lubricant & Fuel Additive Component: Utilized in the research and development of synthetic lubricants and performance-enhancing fuel additives.

Basic Information

Product Name	Diethyl n-Decylmalonate
CAS No.	5077-96-3
Molecular Formula	C₁₇H₃₂O₄
Molecular Weight	300.44 g/mol
Synonyms	Diethyl decylmalonate; Diethyl n-Decylpropanedioate; Decylmalonic Acid Diethyl Ester; Diethyl 2-decylmalonate; Propanedioic acid, 2-decyl-, 1,3-diethyl ester; Diethyl 1,1-dicarbethoxydecane; Malonic acid, decyl-, diethyl ester; Ethyl decylmalonate
EINECS	225-783-5

Quality Control

Our Diethyl n-Decylmalonate is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including GC, HPLC, and NMR, to ensure high chemical purity and consistency. A comprehensive Certificate of Analysis (COA) detailing identity, assay, and impurity profiles is provided with each shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from incompatible materials such as strong bases and oxidizing agents. Recommended storage temperature is between 15°C and 25°C (59°F and 77°F). Keep container tightly sealed when not in use to minimize moisture absorption and prevent contamination.

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 (n20/D)	1.440 - 1.445
Density (20°C)	0.92 - 0.96 g/mL

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