4CHEMICAL AND PHYSICAL INFORMATION

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4.1. CHEMICAL IDENTITY

1,4-Dioxane or para-dioxane is also commonly referred to as simply ‘dioxane’. However, 1,4-dioxane should not be confused with dioxin (or dioxins), which are a different class of chemical compounds. Information regarding the chemical identity of 1,4-dioxane is located in Table 4-1.

Table 4-1. Chemical Identity of 1,4-Dioxane.

Table 4-1

Chemical Identity of 1,4-Dioxane.

4.2. PHYSICAL AND CHEMICAL PROPERTIES

1,4-Dioxane is a colorless liquid. 1,4-Dioxane is also completely miscible in water and organic solvents. The technical-grade product is >99.9% pure, but may contain bis(2-chloroethyl) ether as an impurity (DeRosa et al. 1996). Information regarding the physical and chemical properties of 1,4-dioxane is located in Table 4-2.

Table 4-2. Physical and Chemical Properties of 1,4-Dioxane.

Table 4-2

Physical and Chemical Properties of 1,4-Dioxane.