1,3-Dimethyl-2-imidazolidinone (DMI)

  • Synonyms: N,N′-Dimethylethyleneurea, DMEU, DMI

  • CAS#: 80-73-9

  • Formula: C5H10N2O

  • Molecular Weight: 114.1457 g/mol

Product Specifications:

  • Appearance: Clear colorless to pale yellow liquid

  • Moisture Content: NMT 0.10%

  • APHA: NMT 50

  • Refractive Index: 1.468 - 1.473

  • Purity by GC: NLT 99%

Physical Properties:

  • Melting Point: 8°C

  • Boiling Point: 108°C/17 mmHg

  • Flash Point: 120°C

  • Specific Gravity (20/20): 1.06

  • Refractive Index: 1.47

  • Solubility: Soluble in water (100 g/l at 20°C), ether, alcohol, chloroform

Packaging / Scale:  

  • HMHDPE or Iron Drums

Product Characteristics:

DMI has high values of dielectric constant (37.6 F/m at 25°C, 1MHz) and dipole moment (4.05 - 4.09 D), resulting in high solubility and solvation effect compared to similar solvents.

Thanks to high boiling and flash point it can be handled easily. Additionally, it has excellent stability under acidic or alkaline conditions even at higher temperatures. 

Applications:

  • Reaction solvent for synthesis of pharmaceuticals, agricultural chemicals, and polymers

  • Detergents, additives, surface treatment agents

  • Electrolyte additive for extremely long life zinc metal batteries

  • Solvent in inkjet printer inks to improve print density, drying resistance, and storage stability

  • Surface treatment of fluorine resins like Teflon to improve epoxy resin adhesive bonding strength