Description

2-Vinylspiro[1,3-Dioxane-5,3'-[7]Oxabicyclo[4.1.0]Heptane] is a specialized spirocyclic and oxirane-functionalized monomer of significant interest in advanced polymer synthesis. Its unique molecular architecture, combining vinyl, dioxane, and oxabicycloheptane moieties, enables the creation of polymers with tailored cross-linking density, chemical resistance, and thermal properties. This compound is essential for R&D chemists and formulators in the photoresist, advanced coating, adhesive, and high-performance thermoset resin industries seeking to enhance material performance.

Application

• Photoresist & Photopolymer Formulations: Acts as a key cross-linking monomer for chemically amplified resists used in semiconductor and microelectronics fabrication.
• High-Performance Coatings: Serves as a reactive diluent and cross-linker in UV-curable and epoxy-based coatings, improving hardness, adhesion, and chemical resistance.
• Advanced Adhesives & Sealants: Incorporated into formulations to modify rheology and enhance final bond strength and durability under harsh conditions.
• Thermoset Polymer Matrices: Used in composite materials for aerospace and automotive applications to improve thermal stability and mechanical properties.
• Specialty Chemical Synthesis: Functions as a versatile building block (synthon) for creating complex spirocyclic and heterocyclic target molecules in pharmaceutical and agrochemical research.
• Fiber Optic Coatings: Utilized in coatings for optical fibers to provide protective, low-shrinkage layers with excellent environmental resistance.

Basic Information

Product Name	2-Vinylspiro[1,3-Dioxane-5,3'-[7]Oxabicyclo[4.1.0]Heptane]
CAS No.	3388-02-1
Molecular Formula	C11H16O3
Molecular Weight	196.24 g/mol
Synonyms	2-Ethenylspiro[1,3-dioxane-5,3'-[7]oxabicyclo[4.1.0]heptane]; 2-Vinyl-5,5-pentamethylene-1,3-dioxane 5,3-oxirane; 2-Vinyl-2-methyl-4-methylene-1,3-dioxolane spiro compound (related structures); Oxirane, 2-[(2-ethenyl-1,3-dioxan-5-yl)methyl]-; Spiro[1,3-dioxane-5,3'-[7]oxabicyclo[4.1.0]heptane], 2-vinyl-; Vinyl spirocyclic dioxane oxirane.
EINECS	Contact for details

Quality Control

Our 2-Vinylspiro[1,3-Dioxane-5,3'-[7]Oxabicyclo[4.1.0]Heptane] is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. Each lot is analyzed using advanced chromatographic and spectroscopic techniques (GC, HPLC, NMR) to verify identity, potency, and impurity profiles. Certificates of Analysis (COA) documenting full specifications are provided with every shipment 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 controlled room temperature (15-25°C). Keep away from heat, sparks, and open flame. This material is moisture-sensitive; keep container tightly sealed under an inert atmosphere (e.g., nitrogen) for long-term storage to prevent polymerization or degradation.

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%
Specific Gravity (20°C)	1.10 - 1.20
Refractive Index (n20D)	1.470 - 1.490

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