Description

1,1-Cyclohexanedicarboxylic Acid Diethyl Ester is a high-purity diester compound valued as a versatile chemical intermediate and building block in advanced organic synthesis. Its unique bicyclic structure with two ester functionalities makes it a critical precursor for the development of complex molecules, including pharmaceuticals, agrochemicals, and specialty polymers. This product is essential for R&D laboratories and production facilities seeking reliable, high-quality raw materials for fine chemical manufacturing.

Application

• Pharmaceutical Intermediate: Serves as a key building block in the synthesis of active pharmaceutical ingredients (APIs) and complex drug candidates.
• Agrochemical Synthesis: Used in the production of advanced pesticides, herbicides, and plant growth regulators.
• Polymer & Resin Modifier: Acts as a monomer or cross-linking agent in the manufacture of specialty polymers, coatings, and adhesives.
• Organic Synthesis Reagent: Employed in research and development for constructing complex organic frameworks, including natural product analogs.
• Flavor & Fragrance Industry: Utilized as a precursor for synthesizing specific ester-based aroma compounds.
• Liquid Crystal & Electronic Materials: Functions as an intermediate in the production of materials for display and electronic applications.

Basic Information

Product Name	1,1-Cyclohexanedicarboxylic Acid Diethyl Ester
CAS No.	1139-13-5
Molecular Formula	C12H20O4
Molecular Weight	228.29 g/mol
Synonyms	Diethyl 1,1-cyclohexanedicarboxylate; Diethyl cyclohexane-1,1-dicarboxylate; 1,1-Cyclohexanedicarboxylic acid diethyl ester; Ethyl 1,1-cyclohexanedicarboxylate; NSC 66425; Cyclohexane-1,1-dicarboxylic Acid Diethyl Ester; 1,1-Bis(ethoxycarbonyl)cyclohexane
EINECS	214-524-5

Quality Control

Our 1,1-Cyclohexanedicarboxylic Acid Diethyl Ester is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing, including assay (HPLC), identity confirmation (IR, NMR), and impurity profiling, to ensure it meets the high standards required for fine chemical synthesis. A Certificate of Analysis (COA) detailing all specifications is provided with each shipment to guarantee traceability and batch-to-batch consistency.

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 strong oxidizing agents, strong acids, and strong bases.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%
Specific Gravity (20°C)	1.050 - 1.090
Refractive Index (20°C)	1.450 - 1.470

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