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5,5-Dimethylhydantoin
- Product Name5,5-Dimethylhydantoin
- CAS77-71-4
- CBNumberCB5277245
- MFC5H8N2O2
- MW128.13
- EINECS201-051-3
- MDL NumberMFCD00005266
- MOL File77-71-4.mol
Chemical 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) |
EWG's Food Scores | 1 |
FDA UNII | 34032MQ9RO |
NIST Chemistry Reference | 2,4-Imidazolidinedione, 5,5-dimethyl-(77-71-4) |
EPA Substance Registry System | 5,5-Dimethylhydantoin (77-71-4) |
Safety
Symbol(GHS) |
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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 | |||||||||
NFPA 704: |
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