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1,4-Dioxane (/ d aɪ ˈ ɒ k s eɪ n /) is a heterocyclic organic compound, classified as an ether. It is a colorless liquid with a faint sweet odor similar to that of diethyl ether . The compound is often called simply dioxane because the other dioxane isomers ( 1,2- and 1,3- ) are rarely encountered.
This page contains tables of azeotrope data for various binary and ternary mixtures of solvents. The data include the composition of a mixture by weight (in binary azeotropes, when only one fraction is given, it is the fraction of the second component), the boiling point (b.p.) of a component, the boiling point of a mixture, and the specific gravity of the mixture.
Boiling point (°C) K b ... K b & K f [1] Formic acid: 101.0 2.4 8.0 –2.77 ... Trifluoroacetic Acid: 71.8 [30] Dioxane: 1.03 101.0 11.8 [31] Xylene:
1 Boiling points, Master List format. 2 Periodic Table format. 3 Notes. 4 References. Toggle References subsection. 4.1 Zhang et al. ... Melting points of the ...
Meldrum's acid or 2,2-dimethyl-1,3-dioxane-4,6-dione is an organic compound with formula C 6 H 8 O 4. Its molecule has a heterocyclic core with four carbon and two oxygen atoms; the formula can also be written as [−O−(C(CH 3) 2)−O−(C=O)−(CH 2)−(C=O)−]. It is a crystalline colorless solid, sparingly soluble in water.
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Grignard reagents react with 1,4-dioxane to give the diorganomagnesium compounds and insoluble coordination polymer MgX 2 (dioxane) 2 and (R = organic group, X = halide): 2 RMgX + dioxane ⇌ R 2 Mg + MgX 2 (dioxane) 2. This reaction exploits the Schlenk equilibrium, driving it toward the right.
The normal form is a dimer (2,5-bis(hydroxymethyl)-1,4-dioxane-2,5-diol). The dimer slowly dissolves in water, [3] whereupon it converts to the monomer. These solutions are stable at pH's between 4 and 6. In more basic solution, it degrades to brown product. [4] This skin browning effect is attributed to a Maillard reaction.