English name Dimethyloldimethyl hydantoin CAS6440-58-0 EINECS number 229-222-8 Molecular formula C7H12N2O4 MDL number MFCD00467199 Molecular weight 188.18 Melting point 1.00-2.5 �°C Boiling point 303.7�±52.0 �°C(Predicted) Density 1.349�± 0.06g /cm3(Predicted) Vapor pressure 0Pa at 25 Storage conditions Sealed in dry,Room Temperature Solubility DMSO (small amount), methanol (small amount) Acidity coefficient (pKa)13.41�±0.10(Predicted) Morphological solid Color White to off-white Water solubility 140g/L at 20 Stability is unstable in DMSO solution