1,3-Dimethyl-2-imidazolidinone

1,3-Dimethyl-2-imidazolidinone

Names
Preferred IUPAC name 1,3-Dimethylimidazolidin-2-one
Other names Dimethylethyleneurea N,N′-Dimethylimidazolidinone
Identifiers
CAS Number	80-73-9 Y
3D model (JSmol)	Interactive image Interactive image
Abbreviations	DMI
ChEMBL	ChEMBL12338 Y
ChemSpider	6409 Y
ECHA InfoCard	100.001.187
PubChem CID	6661
UNII	5C1YQQ9M90 Y
CompTox Dashboard (EPA)	DTXSID1073153
InChI InChI=1S/C5H10N2O/c1-6-3-4-7(2)5(6)8/h3-4H2,1-2H3 Y Key: CYSGHNMQYZDMIA-UHFFFAOYSA-N Y InChI=1/C5H10N2O/c1-6-3-4-7(2)5(6)8/h3-4H2,1-2H3 Key: CYSGHNMQYZDMIA-UHFFFAOYAB
SMILES O=C1N(C)CCN1C CN1CCN(C1=O)C
Properties
Chemical formula	C5H10N2O
Molar mass	114.1457
Appearance	colorless liquid
Melting point	8.2 °C (46.8 °F; 281.3 K)
Boiling point	225 °C (437 °F; 498 K)
Hazards
Flash point	120 °C (248 °F; 393 K)
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Y verify (what is YN ?) Infobox references

1,3-Dimethyl-2-imidazolidinone (DMI) is a cyclic urea used as a high-boiling polar aprotic solvent. This colourless, highly polar solvent has high thermal and chemical stability. Together with homologous solvent DMPU, since the 1970s it serves as an analog of tetramethylurea. It can be prepared from 1,2-dimethylethylenediamine by reaction with phosgene.