PRODUCT Properties
| 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) |
Description and Uses
Methylnitrosourea (MNU) is a methylated nitrosourea compound with alkylating,mutagenic, teratogenic, carcinogenic, and cytotoxic properties. The toxic effects of MNU are caused by the transfer of its methyl group to nucleobases in nucleic acids.
Precursor of Diazomethane. It has a cytotoxicity effect. This product contains an undetermined amount of water
Safety
| Symbol(GHS) |    GHS02,GHS06,GHS08 |
| Signal word | Danger |
| Hazard statements | H228-H301-H350-H360 |
| Precautionary statements | P201-P210-P301+P310-P308+P313 |
| Hazard Codes | F,T |
| Risk Statements | 45-46-61-11-25 |
| Safety Statements | 53-45-24/25-22 |
| RIDADR | UN 1325 4.1/PG 2 |
| WGK Germany | - |
| RTECS | YT7875000 |
| HazardClass | 6.1(b) |
| PackingGroup | III |
| HS Code | 29241990 |
| Hazardous Substances Data | 684-93-5(Hazardous Substances Data) |
| Toxicity | LD50 oral in rat: 110mg/kg |
