Description

Acrylic Acid 3-Ethyl-8,8,10,10-Tetramethyl-1,5-Dioxa-9-Azaspiro[5.5]Undecan-3-Ylmethyl Ester is a specialized acrylic ester monomer featuring a complex spirocyclic structure, offering unique reactivity and performance characteristics. This compound is valued for its ability to impart specific functional properties, such as enhanced adhesion, crosslinking potential, and tailored polymer chain mobility, into advanced polymeric materials. It is primarily sought by R&D chemists and formulators in the photoresist, advanced coatings, and specialty adhesive industries for developing next-generation performance materials.

Application

• Photoresist and Photopolymer Formulations: A key monomer for advanced photoresists used in semiconductor manufacturing and high-resolution printing plates, where its structure contributes to precise patterning and development properties.
• Specialty Coatings and Inks: Used to synthesize functional polymers for UV-curable coatings, inks, and overprint varnishes that require specific hardness, flexibility, and chemical resistance.
• High-Performance Adhesives: Serves as a building block for acrylic pressure-sensitive adhesives (PSAs) and structural adhesives, enhancing tack, peel strength, and environmental stability.
• Polymer Modification and Additives: Employed as a reactive modifier or crosslinking agent to tailor the thermal, mechanical, and solubility properties of engineering plastics and elastomers.
• Dental and Biomedical Materials: Potential use in the development of light-curable dental composites and biocompatible polymer matrices due to its polymerizable acrylate group.
• Optical Materials: Can be utilized in the synthesis of polymers for optical lenses, waveguides, or other components where specific refractive indices and clarity are required.

Basic Information

Item	Detail
Product Name	Acrylic Acid 3-Ethyl-8,8,10,10-Tetramethyl-1,5-Dioxa-9-Azaspiro[5.5]Undecan-3-Ylmethyl Ester
CAS No.	103691-23-2
Molecular Formula	C19H33NO4
Molecular Weight	339.47 g/mol
Synonyms	3-Ethyl-8,8,10,10-tetramethyl-1,5-dioxa-9-azaspiro[5.5]undecan-3-yl methyl acrylate; 3-Ethyl-8,8,10,10-tetramethyl-1,5-dioxa-9-azaspiro[5.5]undecan-3-yl methacrylate (common naming variant); Spirocyclic Acrylic Ester; Acrylic acid ester with a spirocyclic amino acetal; 9-Azaspiro[5.5]undecane-based acrylate monomer. Contact for additional trade names.
EINECS	Contact for details

Quality Control

Every batch of our Acrylic Acid 3-Ethyl-8,8,10,10-Tetramethyl-1,5-Dioxa-9-Azaspiro[5.5]Undecan-3-Ylmethyl Ester is produced and controlled under a strict quality management system. We employ advanced analytical techniques including GC, HPLC, NMR, and IR spectroscopy to ensure identity, purity, and consistency. A comprehensive Certificate of Analysis (COA) detailing assay, impurity profile, and physical specifications is provided with each shipment to guarantee it meets your precise R&D or production requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C/59-77°F). Due to its sensitivity to oxidation, it is recommended to store under an inert atmosphere (e.g., nitrogen or argon) for long-term stability. Keep away from heat, sparks, open flames, and incompatible materials such as strong oxidizing agents and bases.

Specification

Item	Specification
Appearance	Colorless to pale yellow clear liquid
Identification (IR)	Conforms to structure
Assay (GC/HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Refractive Index (n20/D)	1.470 - 1.490
Density (20°C)	1.05 - 1.10 g/mL

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