A3399312
5，5-Dimethylhydantoin , ≥98.0% , 77-71-4
Synonym(s):
4,4-Dimethyl-2,5-dioxoimidazolidine;DMH;Fennosurf 300
CAS NO.：77-71-4
Empirical Formula: C5H8N2O2
Molecular Weight: 128.13
MDL number: MFCD00005266
EINECS: 201-051-3
| Pack Size | Price | Stock | Quantity |
| 25G | RMB23.20 | In Stock |
|
| 100G | RMB38.40 | In Stock |
|
| 500G | RMB132.00 | In Stock |
|
| 2.5KG | RMB600.80 | In Stock |
|
| others | Enquire |
Update time: 2022-07-08
PRODUCT Properties
| Melting point: | 174-177 °C (lit.) |
| Boiling point: | 237.54°C (rough estimate) |
| Density | 1.2864 (rough estimate) |
| refractive index | 1.4730 (estimate) |
| Flash point: | 193°C |
| storage temp. | Sealed in dry,Room Temperature |
| solubility | H2O: 0.1 g/mL hot, clear |
| pka | pKa 8.1 (Uncertain) |
| form | Crystalline Powder or Crystals |
| color | White to off-white |
| Water Solubility | soluble |
| BRN | 2827 |
| LogP | -0.480 |
| CAS DataBase Reference | 77-71-4(CAS DataBase Reference) |
| NIST Chemistry Reference | 2,4-Imidazolidinedione, 5,5-dimethyl-(77-71-4) |
| EPA Substance Registry System | 5,5-Dimethylhydantoin (77-71-4) |
Description and Uses
5,5-Dimethylhydantoin is part of a group of hydantoin compounds that are being evaluated for their anticonvulsant and central nervous system antitumour properties.
Safety
| Symbol(GHS) |  GHS07 |
| Signal word | Warning |
| Hazard statements | H302-H317 |
| Precautionary statements | P280 |
| Hazard Codes | Xi |
| Risk Statements | 36/37/38 |
| Safety Statements | 22-24/25-36/37-26 |
| WGK Germany | 2 |
| RTECS | MU0977000 |
| TSCA | Yes |
| HS Code | 29332100 |
| Hazardous Substances Data | 77-71-4(Hazardous Substances Data) |
| Toxicity | LD50 oral in rabbit: 12660mg/kg |
