Melting point :119-124°C
Boiling point :193.27°C (rough estimate)
Density :1.5048 (rough estimate)
refractive index :1.4264 (estimate)
storage temp. :2-8°C
solubility :DMSO: 125 mg/mL (1212.65 mM)
pka :12.36±0.50(Predicted)
form :Solid
color :Off-white to light brown
Water Solubility :14.56g/L(temperature not stated)
Stability :Stable. Flammable. Incompatible with strong oxidizing agents, strong bases, strong acids.
CAS DataBase Reference :684-93-5(CAS DataBase Reference)
IARC :2A (Vol. 17, Sup 7) 1987
NIST Chemistry Reference :Urea, 1-methyl-1-nitroso-(684-93-5)
EPA Substance Registry System :N-Nitroso-N-methylurea (684-93-5)

Symbol(GHS):
Signal word:	Danger
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H228 Flammable solid Flammable solids Category 1 Category 2 Danger Warning P210, P240,P241, P280, P370+P378 H301 Toxic if swalloed Acute toxicity,oral Category 3 Danger P264, P270, P301+P310, P321, P330,P405, P501 H350 May cause cancer Carcinogenicity Category 1A, 1B Danger H360 May damage fertility or the unborn child Reproductive toxicity Category 1A, 1B Danger
Precautionary statements:	P201 Obtain special instructions before use. P210 Keep away from heat/sparks/open flames/hot surfaces. — No smoking. P301+P310 IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician. P308+P313 IF exposed or concerned: Get medical advice/attention.