1,3-Dimethyl-2-imidazolidinone

1,3-Dimethyl-2-imidazolidinone

IUPAC name	1,3-Dimethyl-2-imidazolidinone
Other names	Dimethylethyleneurea N,N'-Dimethylimidazolidinone
Identifiers
Abbreviations	DMI
CAS number	80-73-9
PubChem	6661
SMILES	CN1CCN(C1=O)C
Properties
Molecular formula	C₅H₁₀N₂O
Molar mass	114.1457
Appearance	Clear liquid
Melting point	8.2 °C, 281 K, 47 °F
Boiling point	225 °C, 498 K, 437 °F
Hazards
Flash point	120 °C
Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa) Infobox disclaimer and references

1,3-Dimethyl-2-imidazolidinone (DMI) is used as an aprotic solvent. It is colourless, transparent, highly polar and has high thermal and chemical stability.

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DMI has a boiling point of 225 °C, a flash point of 120 °C and a melting point of 8.2 °C.^[1] DMI has excellent solvating ability for both inorganic and organic compounds.

DMI can is used in a variety of applications including detergents, dyestuffs, electronic materials and in the manufacture of polymers. In many applications, it is a suitable replacement for the carcinogenic solvent HMPA.^[2]

References

^ DMI at Mitsui Chemicals
^ Lo, Chi-Chu (1992). "Replacement of carcinogenic solvent HMPA by DMI in insect sex pheromone synthesis". Journal of Chemical Ecology 18 (2). doi:10.1007/BF00982095.

Category: Solvents