Description

Diethyl 1,1-Cyclobutanedicarboxylate is a high-purity organic ester compound, serving as a versatile and critical building block in advanced organic synthesis. Its unique cyclobutane ring structure makes it a valuable precursor for constructing complex molecular frameworks, particularly in pharmaceutical and fine chemical research. This product is essential for chemists and manufacturers in the pharmaceutical, agrochemical, and material science industries seeking to develop novel active ingredients and functional molecules.

Application

• Pharmaceutical Intermediate: A key synthon in the synthesis of complex drug candidates, particularly those requiring strained ring systems for biological activity.
• Agrochemical Synthesis: Used in the research and production of novel pesticides and herbicides where the cyclobutane moiety can enhance stability and efficacy.
• Fine Chemical Production: Employed as a building block for creating specialty chemicals, flavors, fragrances, and advanced materials.
• Academic & Industrial R&D: A valuable reagent in method development and exploratory chemistry for constructing carbocyclic and heterocyclic compounds.
• Polymer Chemistry: Potential monomer or cross-linking agent in the development of specialty polymers with unique thermal and mechanical properties.
• Ligand and Catalyst Development: Serves as a precursor for synthesizing novel chelating ligands and organometallic catalysts.

Basic Information

Product Name	Diethyl 1,1-Cyclobutanedicarboxylate
CAS No.	3779-29-1
Molecular Formula	C10H16O4
Molecular Weight	200.23 g/mol
Synonyms	1,1-Cyclobutanedicarboxylic Acid Diethyl Ester; Diethyl Cyclobutane-1,1-dicarboxylate; Ethyl 1-Cyclobutanecarboxylate-1-carboxylate; 1,1-Bis(ethoxycarbonyl)cyclobutane; Cyclobutane-1,1-dicarboxylic Acid Diethyl Ester; Diethyl Cyclobutan-1,1-dicarboxylate; NSC 66484
EINECS	223-250-4

Quality Control

Our Diethyl 1,1-Cyclobutanedicarboxylate is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including chromatography (HPLC/GC) and spectroscopic methods (IR, NMR), to ensure high chemical purity and consistency. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to guarantee it meets your specific research or production requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from heat, sparks, and open flames. 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
Purity (GC/HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Refractive Index (n20D)	1.440 - 1.445
Density (g/mL, 20°C)	1.05 - 1.10

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