Description

Diethyl n-Butyrylmalonate is a high-purity, versatile diester compound widely used as a critical synthetic intermediate. Its value lies in its reactive malonate moiety, which enables efficient carbon-carbon bond formation and ring-closure reactions under mild conditions. This product is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and fine chemical industries seeking to develop complex organic molecules, including active pharmaceutical ingredients (APIs) and specialty chemicals.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of heterocyclic compounds, barbiturates, and various proprietary drug candidates.
• Agrochemical Synthesis: Used in the production of advanced pesticides, herbicides, and plant growth regulators.
• Fine Chemical Production: Serves as a precursor for flavors, fragrances, and specialty polymers.
• Organic Synthesis Research: A valuable reagent for Knorr pyrrole synthesis, Claisen condensations, and other C–C bond-forming reactions in R&D laboratories.
• Chemical Reference Standard: Employed as a high-purity standard for analytical method development and quality control.

Basic Information

Product Name	Diethyl n-Butyrylmalonate
CAS No.	21633-79-4
Molecular Formula	C11H18O5
Molecular Weight	230.26 g/mol
Synonyms	Diethyl butanoylmalonate; Diethyl butyrylmalonate; Butanoylmalonic Acid Diethyl Ester; Diethyl 2-butyrylmalonate; Ethyl butyrylmalonate; Malonic acid, butanoyl-, diethyl ester; n-Butyrylmalonic acid diethyl ester
EINECS	244-500-5

Quality Control

Our Diethyl n-Butyrylmalonate is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing, including chromatography (HPLC, GC) and spectroscopic methods (IR, NMR), to ensure identity, purity, and consistency. Certificates of Analysis (COA) documenting all critical parameters are available upon request to support your quality assurance and regulatory compliance needs.

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 container should be kept tightly closed to prevent moisture absorption.

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.