2,2-dimethoxypropane
Sign in to save2,2-Dimethoxypropane (DMP) is an organic compound with the formula (CH3)2C(OCH3)2. A colorless liquid, it is the product of the condensation of acetone and methanol. DMP is used as a water scavenger in water-sensitive reactions. Upon acid-catalyzed reaction, DMP reacts quantitatively with water to form acetone and methanol. This property can be used to accurately determine the amount of water in a sample, alternatively to the Karl Fischer method.
Wikidata facts
- Mass
- 104.084
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- Commons category
- 2,2-Dimethoxypropane
- melting point
- -47.0
- canonical SMILES
- CC(C)(OC)OC
- chemical formula
- C₅H₁₂O₂
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2,2-Dimethoxypropane (DMP) is an organic compound with the formula (CH3)2C(OCH3)2. A colorless liquid, it is the product of the condensation of acetone and methanol. DMP is used as a water scavenger in water-sensitive reactions. Upon acid-catalyzed reaction, DMP reacts quantitatively with water to form acetone and methanol. This property can be used to accurately determine the amount of water in a sample, alternatively to the Karl Fischer method.
DMP is used to prepare acetonides from diols, where it is both a synthon for acetone and a scavenger for the water byproduct: