Description

4,5-Bismethylene-1,3-Dioxolan-2-One is a specialized heterocyclic organic compound with the CAS number 62458-20-2, serving as a versatile building block in advanced chemical synthesis. Its unique bicyclic structure, featuring a cyclic carbonate fused to a dioxolane ring, makes it a valuable precursor for creating functional polymers and fine chemicals. This high-purity intermediate is primarily sought by research and development laboratories, pharmaceutical companies, and specialty polymer manufacturers for developing novel materials and active pharmaceutical ingredients (APIs).

Application

The compound's reactive functional groups enable its use in several high-value synthetic pathways. Key application areas include:

• Pharmaceutical Intermediate: Serves as a key synthon in the synthesis of complex drug molecules and prodrugs, particularly those requiring cyclic carbonate or protected diol functionalities.
• Polymer Chemistry: Acts as a monomer or co-monomer for the production of specialty polycarbonates and polyesters with tailored properties for biomedical or high-performance applications.
• Crosslinking Agent: Utilized in formulating advanced coatings, adhesives, and resins where its bifunctional structure can introduce controlled crosslinking.
• Organic Synthesis Reagent: Employed in academic and industrial R&D for constructing complex heterocyclic frameworks and as a protecting group in multi-step synthetic sequences.
• Material Science Research: Investigated for developing novel biodegradable polymers and smart materials due to its hydrolyzable carbonate linkage.

Basic Information

Product Name	4,5-Bismethylene-1,3-Dioxolan-2-One
CAS No.	62458-20-2
Molecular Formula	C6H6O4
Molecular Weight	142.11 g/mol
Synonyms	4,5-Bismethylenedioxolan-2-one; 4,5-Methylenedioxy-1,3-dioxolan-2-one; 1,3-Dioxolan-2-one, 4,5-bis(methylene)-; 4,5-Bis(methylene)-1,3-dioxolan-2-one; Bicyclic Carbonate Monomer; 4,5-Methylenedioxy-2-oxo-1,3-dioxolane
EINECS	Contact for details

Quality Control

We maintain strict quality control protocols for all our chemical intermediates. Production of 4,5-Bismethylene-1,3-Dioxolan-2-One adheres to current Good Manufacturing Practices (cGMP) where applicable, ensuring batch-to-batch consistency and reliability. Each lot is thoroughly analyzed using advanced techniques including HPLC, GC, NMR, and IR spectroscopy. A comprehensive Certificate of Analysis (COA) detailing purity, identity, 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, and well-ventilated area at a controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed after opening to prevent degradation from atmospheric moisture. Keep away from incompatible materials such as strong bases and reducing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Identification (NMR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 10 ppm

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