Description

2-Methylene-1,3-Dioxane is a versatile cyclic acetal monomer characterized by its reactive exocyclic methylene group. This compound matters as a crucial building block in polymer chemistry, enabling the synthesis of specialty polymers and functional materials with tailored properties. Industries such as advanced material manufacturing, specialty adhesives, and pharmaceutical intermediates require this high-purity chemical for research and production.

Application

• Polymer & Resin Synthesis: Serves as a key monomer for producing acetal resins, specialty polyacetals, and cross-linked polymer networks.
• Pharmaceutical Intermediates: Used in the synthesis of complex drug molecules and active pharmaceutical ingredients (APIs) requiring specific cyclic acetal functionalities.
• Advanced Material Development: A precursor for creating functional materials with controlled degradation profiles or specific chemical resistance.
• Adhesive & Coating Formulations: Incorporated into formulations to enhance adhesion, cross-linking density, and chemical stability in high-performance coatings.
• Organic Synthesis & Research: A valuable reagent in academic and industrial R&D for constructing complex heterocyclic compounds and protecting group chemistry.
• Flavor & Fragrance Industry: Potential use as an intermediate in the synthesis of specific aroma chemicals and flavoring agents.

Basic Information

Product Name	2-Methylene-1,3-Dioxane
CAS No.	5663-11-6
Molecular Formula	C5H8O2
Molecular Weight	100.12 g/mol
Synonyms	2-Methylidene-1,3-dioxane; 1,3-Dioxane, 2-methylene-; 2-Methylene-1,3-dioxacyclohexane; NSC 406925; 2-Methylen-1,3-dioxan; 2-Methylenedioxane; Cyclic acetal of acrolein; Acrolein cyclic acetal
EINECS	227-112-9

Quality Control

Our 2-Methylene-1,3-Dioxane is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including chromatography and spectroscopy, to ensure high purity and consistency. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to guarantee compliance with your research and production specifications.

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. Due to its reactive nature, store separately from strong oxidizing agents and bases.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to reference spectrum
Assay (GC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Refractive Index (n20D)	1.430 - 1.440
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.