Description

1,5,7,11-Tetraoxaspiro[5.5]undecane-3,9-dimethanol, 3,9-diethyl- is a specialized spirocyclic acetal diol monomer of significant interest in advanced polymer synthesis. This compound matters for its ability to impart unique structural rigidity, hydrolytic stability, and tailored reactivity into polymer backbones. It is primarily needed by R&D chemists and formulators in the high-performance resins, coatings, adhesives, and specialty chemical intermediate sectors.

Application

• Crosslinking Agent for High-Performance Coatings: Imparts enhanced hardness, chemical resistance, and durability in industrial and protective coatings.
• Monomer for Specialty Polyesters and Polyurethanes: Used to synthesize polymers with improved thermal stability and mechanical properties.
• Component in Advanced Adhesive Formulations: Contributes to strong bonding performance and environmental resistance.
• Building Block for Dendrimers and Hyperbranched Polymers: Serves as a core or branching unit due to its symmetrical, multifunctional structure.
• Intermediate for Pharmaceutical and Agrochemical Synthesis: Utilized in the production of complex molecules requiring a rigid, acetal-protected diol functionality.
• Modifier for Epoxy Resin Systems: Enhances flexibility and reduces shrinkage while maintaining thermal properties.

Basic Information

Product Name	1,5,7,11-Tetraoxaspiro[5.5]undecane-3,9-dimethanol, 3,9-diethyl-
CAS No.	65282-19-1
Molecular Formula	C15H28O6
Molecular Weight	304.38 g/mol
Synonyms	3,9-Diethyl-1,5,7,11-tetraoxaspiro[5.5]undecane-3,9-dimethanol; 3,9-Diethyl-3,9-bis(hydroxymethyl)-1,5,7,11-tetraoxaspiro[5.5]undecane; Spiroglycol derivative; Acetal Diol Monomer; Diethyl tetraoxaspiro dimethanol
EINECS	Contact for details

Quality Control

Our production of 1,5,7,11-Tetraoxaspiro[5.5]undecane-3,9-dimethanol, 3,9-diethyl- adheres to a strict quality management system. Every batch undergoes rigorous analytical testing, including HPLC for purity, GC for residual solvents, and NMR for structural confirmation, to ensure it meets precise customer specifications. A comprehensive Certificate of Analysis (COA) is provided with each shipment.

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 strong oxidizing agents and strong acids.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residual Solvents (GC)	Meets ICH guidelines

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