Description

1,4-Cyclohexanedione Bis(Ethylene Ketal) CAS NO 183-97-1 is a high-purity, protected derivative of 1,4-cyclohexanedione, serving as a crucial synthetic intermediate and protecting group in advanced organic synthesis. Its primary value lies in providing a stable, masked diketone functionality that is essential for constructing complex molecular architectures under controlled reaction conditions. This compound is particularly vital for research chemists and process development scientists in the pharmaceutical, agrochemical, and specialty chemical industries who require precise and reliable building blocks for multi-step syntheses.

Application

• Pharmaceutical Intermediate: A key protected synthon in the synthesis of complex drug molecules, natural products, and bioactive compounds.
• Agrochemical Synthesis: Used in the development of advanced pesticides, herbicides, and plant growth regulators requiring specific cyclic ketone chemistry.
• Polymer & Material Science: Serves as a monomer or cross-linking agent precursor for specialty polymers, resins, and advanced materials.
• Organic Synthesis Building Block: Essential for constructing complex carbocyclic and heterocyclic ring systems in academic and industrial R&D.
• Ligand & Catalyst Preparation: Used in the synthesis of chiral ligands, organocatalysts, and metal-organic frameworks (MOFs).
• Flavor & Fragrance Industry: An intermediate for the synthesis of specific musk compounds and other complex aroma chemicals.

Basic Information

Product Name	1,4-Cyclohexanedione Bis(Ethylene Ketal)
CAS No.	183-97-1
Molecular Formula	C10H16O4
Molecular Weight	200.23 g/mol
Synonyms	1,4-Dioxaspiro[4.5]decane-8,8-diol; 1,4-Cyclohexanedione Ethylene Ketal; Cyclohexane-1,4-dione Bis(Ethylene Acetal); 1,4-Cyclohexanedione Diethyl Ketal; 8,8-Dihydroxy-1,4-dioxaspiro[4.5]decane; 1,4-Dioxaspiro[4.5]decane-8,8-diol; 1,4-Cyclohexanedione Di(ethylene ketal); Spiro[1,3-dioxolane-2,9'-[9]oxa[1,4]dioxacycloundecane] (Registry Number based)
EINECS	205-915-7

Quality Control

Our 1,4-Cyclohexanedione Bis(Ethylene Ketal) is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. We employ advanced analytical techniques, including HPLC, GC, and NMR, to verify identity and quantify purity. A comprehensive Certificate of Analysis (COA) detailing purity, physical characteristics, and impurity profiles is provided with each shipment to support your quality assurance and regulatory documentation 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 strong oxidizing agents and incompatible materials. For long-term storage, consider an inert atmosphere to maintain optimal stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	97 - 101 °C
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 10 ppm

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