Description

2-Propenoic Acid, 2, 4, 8, 10-Tetraoxaspiro[5.5]Undecane-3, 9-Diylbis(2, 2-Dimethyl-2, 1-Ethanediyl)Ester is a specialized acrylate ester monomer featuring a unique spirocyclic acetal structure, offering enhanced stability and reactivity for advanced polymer synthesis. This compound matters for its ability to impart superior cross-linking density, chemical resistance, and durability to final polymer products, making it a critical building block for high-performance materials. Industrial R&D chemists and formulators in the coatings, adhesives, and advanced composites sectors need this monomer to develop next-generation products with tailored mechanical and thermal properties.

Application

• UV-Curable Coatings & Inks: As a key reactive diluent and cross-linker in formulations requiring fast cure rates, high gloss, and excellent weatherability.
• High-Performance Adhesives & Sealants: To enhance bond strength, flexibility, and resistance to environmental stressors such as moisture and chemicals.
• Advanced Composite Materials: As a matrix resin component for fiber-reinforced plastics (FRP) in automotive and aerospace applications, improving impact resistance and dimensional stability.
• Photoresists & Electronic Materials: Utilized in the production of semiconductor packaging materials and printed circuit boards due to its precise reactivity and purity.
• Dental & Medical Device Polymers: Incorporated into biocompatible resins for restorative dentistry and durable coatings for medical instruments.
• Specialty Additives & Modifiers: Serves as a grafting agent or property modifier in engineering plastics and elastomers to tailor surface characteristics and performance.

Basic Information

Product Name	2-Propenoic Acid, 2, 4, 8, 10-Tetraoxaspiro[5.5]Undecane-3, 9-Diylbis(2, 2-Dimethyl-2, 1-Ethanediyl) Ester
CAS No.	85286-82-4
Molecular Formula	C24H38O8
Molecular Weight	454.56 g/mol
Synonyms	2,4,8,10-Tetraoxaspiro[5.5]undecane-3,9-diylbis(2,2-dimethylpropane-1,3-diyl) diacrylate; Spiroglycol Diacrylate; SGDA; Acrylic acid, 2,4,8,10-tetraoxaspiro[5.5]undecane-3,9-diylbis(2,2-dimethyltrimethylene) ester; 3,9-Bis(2-acryloyloxy-2-methylpropyl)-2,4,8,10-tetraoxaspiro[5.5]undecane; Spirocyclic Acetal Acrylate; NK Ester A-200; Light-sensitive acrylate monomer.
EINECS	Contact for details

Quality Control

Our production of 2-Propenoic Acid, 2, 4, 8, 10-Tetraoxaspiro[5.5]Undecane-3, 9-Diylbis(2, 2-Dimethyl-2, 1-Ethanediyl)Ester adheres to stringent quality management protocols. Each batch undergoes rigorous analytical testing, including HPLC for purity and assay, GC for residual solvents, and IR for structural confirmation, to ensure compliance with exacting industry specifications. Certificates of Analysis (COA) detailing all test results are available upon request to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at temperatures between 15-25°C (59-77°F). Due to its light-sensitive and easily oxidized nature, 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 peroxides.

Specification

Item	Specification
Appearance	Colorless to pale yellow clear liquid
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 98.0 %
Color (APHA)	≤ 50
Water Content (KF)	≤ 0.1 %
Acid Value	≤ 0.5 mg KOH/g
Inhibitor (MEHQ)	50 - 150 ppm

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