Description

1,3-Dioxaspiro[4.4]Nonane,4-(Propoxymethyl)-(9Ci) is a specialized spirocyclic acetal compound, identified by CAS NO 71320-11-1, valued for its unique structural motif that imparts stability and reactivity. This chemical serves as a crucial versatile intermediate and functional building block in advanced organic synthesis. It is primarily needed by R&D chemists and process engineers in the pharmaceutical, agrochemical, and fine chemical industries for constructing complex molecular architectures.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of active pharmaceutical ingredients (APIs) and drug candidates, particularly those requiring spirocyclic or protected diol functionalities.
• Agrochemical Synthesis: Building block for developing novel herbicides, fungicides, and plant growth regulators with enhanced stability and efficacy.
• Polymer & Material Science: Monomer or cross-linking agent for producing specialty polymers, resins, and coatings with tailored thermal and chemical properties.
• Flavor & Fragrance Chemistry: Intermediate for creating complex aroma chemicals and odorants that benefit from the acetal group's stability.
• Organic Synthesis Reagent: Used in academic and industrial research as a protected form of a dialdehyde or as a scaffold for heterocyclic compound synthesis.
• Ligand & Catalyst Development: Potential precursor for chiral ligands or metal-organic frameworks (MOFs) used in asymmetric catalysis.

Basic Information

Product Name	1,3-Dioxaspiro[4.4]Nonane,4-(Propoxymethyl)-(9Ci)
CAS No.	71320-11-1
Molecular Formula	C11H20O3
Molecular Weight	200.27 g/mol
Synonyms	4-(Propoxymethyl)-1,3-dioxaspiro[4.4]nonane; 1,3-Dioxaspiro[4.4]nonane, 4-(propoxymethyl)-; 4-Propoxymethyl-1,3-dioxaspiro[4.4]nonane; Spiro[1,3-dioxolane-2,1'-cyclopentane], 4-(propoxymethyl)-; (Propoxymethyl)spiro[1,3-dioxolane-2,1'-cyclopentane]; Acetal derivative of 1,1-cyclopentanedimethanol propyl ether; 9CI designation: 71320-11-1
EINECS	Contact for details

Quality Control

Our 1,3-Dioxaspiro[4.4]Nonane,4-(Propoxymethyl)-(9Ci) is manufactured under a strict quality management system. Every batch undergoes rigorous analytical testing, including chromatography and spectroscopy, to ensure identity, purity, and consistency. Certificates of Analysis (COA) documenting full specifications are available upon request, supporting compliance with cGMP and ISO 9001 standards where applicable.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (15-25°C). Keep away from heat, sparks, and open flame. The container should be kept tightly sealed in a dry environment to minimize exposure to moisture.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to reference spectrum
Assay (GC/HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Refractive Index (n20D)	Contact for details
Density (g/mL, 20°C)	Contact for details

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