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  • 8.20534 - 5,5-Diphenylhydantoin

8.20534 EMD Millipore


5,5-Diphenylhydantoin for synthesis. CAS 57-41-0, molar mass 252.27 g/mol., for synthesis

Synonym: Phenytoin

  • CAS Number 57-41-0

  • Linear Formula C₁₅H₁₂N₂O₂

  • Molecular Weight 252.27 g/mol

  •  EC Number 200-328-6



Related Categories Biochemicals and Reagents More...
packaging   5 g in Glass bottle (8205340005)
autoignition temp.   550 °C
mp   292 - 295 °C
bulk density   400 - 450 kg/m3
LD 50 oral   LD50 Rat 1635 mg/kg
shipped in   ambient
storage temp.   Store below +30°C.
specifications   Assay (acidimetric): ≥ 98.0 %
  Melting range (lower value): ≥ 292 °C
  Melting range (upper value): ≤ 295 °C
  Identity (IR): passes test

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Safety Information

HS Code 
2933 21 00
Hazard Statement(s) 
H302: Harmful if swallowed.
H317: May cause an allergic skin reaction.
Precautionary Statement(s) 
P280: Wear protective gloves.
P302 + P352: IF ON SKIN: Wash with plenty of soap and water.
Storage class 
10 - 13 Other liquids and solids
WGK 3 highly water endangering
Relatively unreactive organic reagents should be collected in container A. If halogenated, they should be collected in container B. For solid residues use container C.
Hazard Pictogram(s) 
GHS07  GHS07
Hazard Symbols 
Harmful  Harmful
Categories of danger 
harmful, sensitizing
R Phrase 
R 22-43
Harmful if swallowed.May cause sensitisation by skin contact.
S Phrase 
S 24-37
Avoid contact with skin.Wear suitable gloves.
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