Description

Diethyl sec-Butylethylmalonate is a specialized diester compound belonging to the malonate family, serving as a versatile and high-purity building block in advanced organic synthesis. Its value lies in its role as a key intermediate for constructing complex molecular architectures, particularly in the pharmaceutical and agrochemical sectors. This product is essential for research chemists and process development scientists in industries focused on creating active pharmaceutical ingredients (APIs), fine chemicals, and performance materials.

Application

• Pharmaceutical Intermediate: A critical precursor in the synthesis of complex drug molecules and active pharmaceutical ingredients (APIs), particularly for compounds requiring specific branched alkyl chains.
• Agrochemical Synthesis: Used in the production of advanced pesticides, herbicides, and plant growth regulators where the sec-butylethyl moiety imparts desired biological activity.
• Fine Chemical Production: Serves as a building block for specialty chemicals, including flavors, fragrances, and performance additives.
• Organic Synthesis Research: A valuable reagent in academic and industrial R&D for developing new synthetic methodologies, such as Michael additions and cyclization reactions.
• Material Science: Potential intermediate in the synthesis of monomers for specialized polymers and advanced organic materials.

Basic Information

Product Name	Diethyl sec-Butylethylmalonate
CAS No.	123647-93-8
Molecular Formula	C₁₃H₂₄O₄
Molecular Weight	244.33 g/mol
Synonyms	Diethyl 2-(sec-butyl)-2-ethylmalonate; 2-Ethyl-2-(1-methylpropyl)propanedioic acid diethyl ester; sec-Butylethylmalonic acid diethyl ester; Ethyl sec-butylethylmalonate; Propanedioic acid, 2-ethyl-2-(1-methylpropyl)-, diethyl ester; Diethyl (sec-butyl)(ethyl)propanedioate
EINECS	Contact for details

Quality Control

Our Diethyl sec-Butylethylmalonate is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity suitable for sensitive synthetic applications. Each lot undergoes comprehensive analytical testing, including chromatographic purity assays and identity confirmation. A Certificate of Analysis (COA) detailing specific results for purity, identity, and impurity profiles is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (typically 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 liquid
Identification (IR)	Conforms to structure
Assay (GC/HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%

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