2-Methylene-1,3-dioxepane

💡1.Key Characteristics and Applications

Core Application: Monomers for Synthesizing Biodegradable Polymers
This is the most prominent application value of this compound. It can undergo free radical ring-opening polymerization with vinyl-type monomers (such as methyl methacrylate, styrene, vinyl acetate, etc.). The unique feature is that after polymerization, ester bonds or ether bonds will be introduced into the traditional carbon-carbon main chain, thereby endowing the originally non-biodegradable polymer materials with biodegradability or biocompatibility. This characteristic has made it highly regarded in the fields of environmental materials and biomedical materials.
Organic synthetic intermediates
In the field of fine organic synthesis, it can also be used as a protecting group reagent to protect aldehyde groups in molecules. Moreover, it is an important intermediate or synthetic subunit for the synthesis of various heterocyclic compounds.

👨‍🔬2.Specifications and Quality Standards

Purity: Purity varies among suppliers; common commercial grades range from 95% to >98.0%.

Appearance: Typically a colorless to pale yellow, clear liquid.

🔍3.Physical and Chemical Properties

Boiling point: Approximately 70°C at 47 mmHg.

Flash Point: 61°C.

Density: Approximately 1.01 g/cm³.

Stability: This compound is sensitive to air and heat; it is recommended to handle and store it under an inert gas atmosphere (such as nitrogen or argon).

🎯 4.Packaging and Storage Guidelines

Storage Conditions: Must be stored refrigerated (typically at 2–8°C) to maintain stability and prevent polymerization or decomposition.

Packaging Sizes: Commonly available in small laboratory research quantities, such as 250 mg, 1 g, 5 g, 25 g, etc.

Special Requirements: Some suppliers use ice packs during shipping to maintain a low-temperature environment.

📊5.Safety and Transportation Information

Hazard Classification: Class 3 flammable liquid; may ignite upon contact with open flames, high heat, or strong oxidizing agents.

UN Number: 1993.

Packaging Group: III.

Precautionary Statements:

H227: Flammable liquid.

P210: Keep away from heat, hot surfaces, sparks, open flames, and other ignition sources. No smoking.

P280: Wear protective gloves/protective clothing/eye protection/face protection.

P403: Store in a well-ventilated area.

Product Manager Email: Lucy@coreychem.com