Description

2,7,7,9-Tetramethyl-1,4-Dioxaspiro[4.5]Decane is a specialized spirocyclic acetal compound, valued for its unique structural framework that serves as a versatile intermediate and building block in advanced organic synthesis. Its rigid, bicyclic structure makes it particularly useful for constructing complex molecular architectures where precise stereochemistry and stability are required. This high-purity chemical is essential for research and development in the pharmaceutical, agrochemical, and fragrance industries, where it is employed in the creation of novel active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of complex drug molecules and active pharmaceutical ingredients (APIs), particularly those requiring spirocyclic or constrained ring systems.
• Agrochemical Synthesis: Used in the research and production of advanced pesticides, herbicides, and plant growth regulators that benefit from its stable acetal functionality.
• Fragrance & Flavor Chemistry: Serves as a precursor or a stabilizing agent for the development of novel, long-lasting scent and flavor molecules.
• Organic Synthesis Reagent: A versatile intermediate in academic and industrial R&D for constructing complex natural product analogs and specialty chemicals.
• Polymer & Material Science: Potential monomer or cross-linking agent for creating specialty polymers with specific thermal or chemical resistance properties.
• Chemical Research: Used as a standard or reference compound in analytical method development and structural chemistry studies.

Basic Information

Product Name	2,7,7,9-Tetramethyl-1,4-Dioxaspiro[4.5]Decane
CAS No.	94089-03-9
Molecular Formula	C12H22O2
Molecular Weight	198.30 g/mol
Synonyms	1,4-Dioxaspiro[4.5]decane, 2,7,7,9-tetramethyl-; 2,7,7,9-Tetramethyl-1,4-dioxaspiro[4.5]decane; Spiro[1,3-dioxolane-2,1'-cyclohexane], 4,4,6,6-tetramethyl-; Tetramethyl dioxaspirodecane; Acetal, cyclohexanone, 2,2-dimethyl-, ethylene ketal; Cyclohexanone, 2,2-dimethyl-, ethylene ketal
EINECS	Contact for details

Quality Control

Our 2,7,7,9-Tetramethyl-1,4-Dioxaspiro[4.5]Decane is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including chromatography and spectroscopy, to ensure high purity and consistent performance. Certificates of Analysis (COA) detailing identity, purity, and impurity profiles are provided to guarantee compliance with your specific research or production requirements.

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 sealed to prevent moisture absorption and contamination.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC/HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Refractive Index (n20D)	1.450 - 1.460
Density (g/mL, 20°C)	0.950 - 0.980

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