Overview
Diallyl ether is an organic compound belonging to the ether class, characterized by two allyl groups attached to an oxygen atom. It is primarily used as a reactive intermediate in chemical synthesis and polymer production. The compound's double bonds make it valuable for crosslinking reactions, particularly in the manufacture of specialty polymers and resins. Its commercial production typically involves the Williamson ether synthesis or dehydration of allyl alcohol.
Physical and Chemical Properties
Diallyl ether is a volatile liquid with a characteristic ether-like odor. Its low boiling point (94-96°C) and density (0.805 g/cm³) make it less dense than water. The compound's reactivity stems from its two allyl groups, which participate in various addition and polymerization reactions. The ether is slightly soluble in water but mixes well with most organic solvents including ethanol, acetone, and diethyl ether. It exhibits typical ether properties but with enhanced reactivity due to the unsaturated allyl substituents.
Main Applications
The primary industrial use of diallyl ether is as a crosslinking agent in polymer chemistry, particularly for producing thermosetting resins. It serves as a building block for specialty polymers with improved heat resistance and mechanical properties. In organic synthesis, it functions as an intermediate for producing allyl compounds and is used in the manufacture of adhesives, coatings, and plasticizers. Recent applications include its use in click chemistry reactions and as a precursor for bioactive molecules.
Safety and Storage
As a highly flammable liquid, diallyl ether requires careful handling and storage. It should be kept in tightly sealed containers in well-ventilated areas, away from ignition sources and oxidizing agents. The compound is classified as an irritant to skin, eyes, and respiratory system. Proper storage includes using explosion-proof equipment and maintaining temperatures below 30°C. Fire suppression systems should use dry chemical powder, foam, or carbon dioxide - never water jets. Personnel must wear appropriate PPE including chemical goggles, gloves, and flame-resistant clothing.
B2B Procurement Guide
When procuring diallyl ether commercially, buyers should specify required purity levels (typically 95-99%) and packaging requirements (drums, IBCs, or bulk). Technical grade is sufficient for most industrial applications, while higher purity is needed for pharmaceutical intermediates. Key procurement considerations include verifying supplier certifications for hazardous material handling, obtaining SDS documentation, and arranging appropriate transportation (UN 1993, Class 3, Packing Group II). Minimum order quantities typically range from 25kg to metric ton quantities, with prices varying by market conditions and purchase volume.
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