1‐Acetoxy‐1,3‐butadiene

[1515-76-0] C6H8O2 (MW 112.13) InChI = 1S/C6H8O2/c1-3-4-5-8-6(2)7/h3-5H,1H2,2H3 InChIKey = NMQQBXHZBNUXGJ-UHFFFAOYSA-N (2π or 4π partner in cycloaddition reactions;1 mono-oxygenation allows high levels of regiocontrol2) Alternate Name: 1,3-butadienyl acetate. Physical Data: bp 60–61 °C/40 mmHg; d 0.945 g cm−3. Form Supplied in: colorless liquid, available as an unspecified mixture of (E) and (Z) isomers.3 Handling, Storage, and Precautions: classified as a flammable liquid and is reputed to be toxic. Compound polymerizes upon extended storage and can be regenerated by distillation. Avoid polymerization initiators. Diene performs best when stored in the cold.