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From the molecular formula, the compound has "no degrees of unsaturation" (no double bonds or rings).
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The proton NMR has two peaks; both singlets are consistent with isolated groups adjacent to an electronegative center, such as oxygen. The fact that the molecule contains ten hydrogens, but only shows singlets for two and three hydrogens requires a great deal of symmetry in the molecule, i.e., both CH3 groups must be identical, as must both CH2 groups.