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77-71-4

Name 5,5-Dimethylhydantoin
CAS 77-71-4
EINECS(EC#) 201-051-3
Molecular Formula C5H8N2O2
MDL Number MFCD00005266
Molecular Weight 128.13
MOL File 77-71-4.mol
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Chemical Properties

Appearance white to off-white crystals or crystalline powder
Melting point  174-177 °C (lit.)
Boiling point  237.54°C (rough estimate)
density  1.2864 (rough estimate)
refractive index  1.4730 (estimate)
Fp  193°C
storage temp.  Sealed in dry,Room Temperature
solubility  H2O: 0.1 g/mL hot, clear
form  Crystalline Powder or Crystals
pka pKa 8.1 (Uncertain)
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 77-71-4(EPA Substance)

Safety Data

Hazard Codes  Xi
Risk Statements 
R36/37/38:Irritating to eyes, respiratory system and skin .
Safety Statements 
S22:Do not breathe dust .
S24/25:Avoid contact with skin and eyes .
S36/37:Wear suitable protective clothing and gloves .
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
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

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Material Safety Data Sheet(MSDS)

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