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Chinese name N, N-dimethylformamide English name N, N-Dimethylformamide Alternative name DMF Chemical formula C3H7NO Molecular weight 73.10 CAS accession number 68-12-2 Melting point 60.5 ° C Boiling point 152.8 ° C Water solubility and water mutual solubility density 0.948 g/mL Appearance Colorless liquid Flash point 58 ° C Application as analytical reagent, solvent for ethylene resin, acetylene, etc

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Dimethylformamide (DMF) is a transparent liquid, which is miscible with water and most solvents. It is a common solvent for chemical reactions. Pure dimethylformamide has no smell, but industrial grade or deteriorated dimethylformamide has fishy smell because it contains impurities of dimethylamine. The name comes from the fact that it is a dimethyl substitute of formamide (amide of formic acid), and both methyl groups are located on the N (nitrogen) atom. Dimethylformamide is a polar (hydrophilic) aprotic solvent with high boiling point, which can promote the SN2 reaction mechanism. Dimethylformamide is made from methyl formate and dimethylamine.