Description

1,3-Dioxolane, 2-Ethenyl-4,4,5,5-Tetramethyl- is a specialized, highly functional cyclic acetal monomer with a unique sterically hindered structure. This compound is valued for its reactive vinyl group and the stability imparted by the tetramethyl-substituted dioxolane ring, making it a versatile building block for advanced polymer synthesis. It is primarily sought by R&D chemists and process engineers in the fine chemical, pharmaceutical intermediate, and performance polymer industries for developing novel materials with tailored properties.

Application

• Polymer Chemistry: Serves as a key monomer for the synthesis of specialty polymers, including functional polyacetals and cross-linked resins.
• Pharmaceutical Intermediates: Used in the research and development of active pharmaceutical ingredients (APIs) requiring complex, protected functional groups.
• Advanced Material Research: Acts as a precursor for creating novel materials with specific chemical resistance, thermal stability, or optical properties.
• Cross-linking Agent: Utilized in formulations for coatings, adhesives, and sealants where its vinyl group enables covalent network formation.
• Organic Synthesis Building Block: Employed in academic and industrial research to construct complex molecular architectures via its reactive sites.
• Ligand and Catalyst Development: Investigated for use in designing novel chelating ligands or organocatalysts due to its unique steric and electronic profile.

Basic Information

Item	Detail
Product Name	1,3-Dioxolane, 2-Ethenyl-4,4,5,5-Tetramethyl-
CAS No.	90646-39-2
Molecular Formula	C9H16O2
Molecular Weight	156.22 g/mol
Synonyms	2-Vinyl-4,4,5,5-tetramethyl-1,3-dioxolane; 4,4,5,5-Tetramethyl-2-vinyl-1,3-dioxolane; 2-Ethenyl-4,4,5,5-tetramethyl-1,3-dioxolane; Vinyl tetramethyl dioxolane; Tetramethylvinyl dioxolane
EINECS	Contact for details

Quality Control

Our 1,3-Dioxolane, 2-Ethenyl-4,4,5,5-Tetramethyl- is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including chromatography and spectroscopy, to ensure high purity and consistency. A Certificate of Analysis (COA) detailing identity, assay, and impurity profiles is 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 room temperature (15-25°C). Due to its highly volatile nature, keep away from heat, sparks, and open flame. Ensure containers are kept tightly sealed when not in use to prevent evaporation and potential contamination.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Water Content (KF)	≤ 0.5%

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