1,4-Dioxane - Emerging Contaminants (Fact Sheet)

1,4-Dioxane is a semi-volatile, colorless liquid with a mild ethereal odor. It is also known as diethylene dioxide, dioxane, or p-dioxane. Its Chemical Abstracts Services registry number is 123-91-1. 1,4-Dioxane is miscible with water, oils and most chlorinated solvents. It is flammable and, during storage, may form explosive peroxides.