Description Dimethylacetamide (DMA) is the organic compound with the formula CH3C(O)N(CH3)2. This colorless, water-miscible, high boiling liquid is commonly used as a polar solvent in organic synthesis. DMA is miscible with most other solvents, although it is poorly soluble in aliphatic hydrocarbons. Basic Info Chemical Name N,N-dimethylacetamide Synonyms N,N-dimethyl-acetamide; N,N-Dimethylacetamid; Acetamide, N,N-dimethyl-; Dimethylacetone amide; DMA; Expand CAS No. 127-19-5 Molecular Formula C4H9NO Molecular Weight 87.12040 PSA 20.31000 LogP 0.09450 Properties Appearance & Physical State Clear, colorless liquid Density 0.937 Boiling Point 164-166ºC Melting Point -20ºC Flash Point 66ºC Refractive Index 1.437-1.439 Water Solubility miscible Stability Stable. Combustible. Incompatible with strong oxidizing agents. Storage Condition 0-6ºC Vapor Density 3.89 (vs air) Vapor Pressure 40 mm Hg ( 19.4 °C) |