2,2-Dimethoxypropane

2,2-dimethoxypropane[1]
Names
IUPAC name
2,2-dimethoxypropane
Other names
acetone dimethyl acetal
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.000.961
Properties
C5H12O2
Molar mass 104.15 g/mol
Appearance Colorless liquid
Density 0.85 g/cm3
Melting point −47 °C (−53 °F; 226 K)
Boiling point 83 °C (181 °F; 356 K)
15 g/L (20 °C)
Hazards
Safety data sheet External MSDS
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Infobox references

2,2-Dimethoxypropane or acetone dimethyl acetal or DMP is an organic compound and an alkylating reagent. The chemical formula is C5H12O2 and the molecular formula is (CH3)2C(OCH3)2. It is the acetalisation product of acetone and methanol. Dimethoxypropane is an intermediate for the synthesis of 2-methoxypropene. In histology, DMP is now considered to be more efficient than ethanol for the dehydration of animal tissue.

DMP is commonly used as a water scavenger in water-sensitive reactions -- any available water will react with DMP to form acetone and methanol.

References

  1. ↑ 2,2-Dimethoxypropane at Sigma-Aldrich


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