The CAS registry number of N-Methylurea is 598-50-5. The IUPAC name is methylurea. Its EINECS registry number is 209-935-0 . In addition, the molecular formula is C₂H₆N₂O and the molecular weight is 74.08. It is a kind of white to off-white crystalline solid and belongs to the classes of Carbonyl Compounds; Organic Building Blocks; Ureas.

Physical properties about this chemical are: (1)ACD/LogP: -1.23; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): -1.23; (4)ACD/LogD (pH 7.4): -1.23; (5)ACD/BCF (pH 5.5): 1; (6)ACD/BCF (pH 7.4): 1; (7)ACD/KOC (pH 5.5): 5.12; (8)ACD/KOC (pH 7.4): 5.12; (9)#H bond acceptors: 3; (10)#H bond donors: 3; (11)#Freely Rotating Bonds: 0; (12)Polar Surface Area: 23.55 Å²; (13)Index of Refraction: 1.432; (14)Molar Refractivity: 18.47 cm³; (15)Molar Volume: 71.1 cm³; (16)Polarizability: 7.32 ×10^-24cm³; (17)Surface Tension: 35.5 dyne/cm; (18)Density: 1.041 g/cm³; (19)Flash Point: 23.1 °C; (20)Enthalpy of Vaporization: 35.3 kJ/mol; (21)Boiling Point: 114.6 °C at 760 mmHg ; (22)Vapour Pressure: 19.8 mmHg at 25°C.

Uses of N-Methylurea: it can be used in organic synthesis and pharmaceutical industry. And it can react with diethylmalonic acid diethyl ester to get 5,5-diethyl-1-methyl-pyrimidine-2,4,6-trione. This reaction will need reagents Na and EtOH. The reaction time is 4 hours at reaction temperature of 115 °C. The yield is about 68%.

When you are using this chemical, please be cautious about it as the following:
This chemical is harmful by inhalation, in contact with skin and if swallowed. And it is irritating to the respiratory system. It has risk of irreversible effects possibly. During using it, wear suitable protective clothing and gloves and do not breathe dust. In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.).

You can still convert the following datas into molecular structure:
(1)SMILES: O=C(N)NC
(2)InChI: InChI=1/C2H6N2O/c1-4-2(3)5/h1H3,(H3,3,4,5)
(3)InChIKey: XGEGHDBEHXKFPX-UHFFFAOYAA

The toxicity data is as follows: