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57-41-0

Name 5,5-Diphenylhydantoin
CAS 57-41-0
EINECS(EC#) 200-328-6
Molecular Formula C15H12N2O2
MDL Number MFCD00005264
Molecular Weight 252.27
MOL File 57-41-0.mol

Chemical Properties

Appearance Phenytoin is a crystalline compound
Melting point  293-295 °C (lit.)
Boiling point  395.45°C (rough estimate)
density  1.1562 (rough estimate)
refractive index  1.5906 (estimate)
Fp  11 °C
storage temp.  2-8°C
solubility  DMSO: soluble
form  Powder
pka pKa 8.43(H2O,t =25,I=0.025) (Uncertain)
color  White to almost white
Stability: Stable. Combustible. Incompatible with strong oxidizing agents, strong bases.
Water Solubility  <0.01 g/100 mL at 19 ºC
Merck  14,7322
BRN  384532
InChIKey CXOFVDLJLONNDW-UHFFFAOYSA-N
CAS DataBase Reference 57-41-0(CAS DataBase Reference)
IARC 2B (Vol. Sup 7, 66) 1996
NIST Chemistry Reference 5,5-Diphenylhydantoin(57-41-0)
EPA Substance Registry System 57-41-0(EPA Substance)

Safety Data

Hazard Codes  T,Xn,F
Risk Statements 
R45:May cause cancer.
R61:May cause harm to the unborn child.
R22:Harmful if swallowed.
R63:Possible risk of harm to the unborn child.
R40:Limited evidence of a carcinogenic effect.
R39/23/24/25:Toxic: danger of very serious irreversible effects through inhalation, in contact with skin and if swallowed .
R23/24/25:Toxic by inhalation, in contact with skin and if swallowed .
R11:Highly Flammable.
R20/21/22:Harmful by inhalation, in contact with skin and if swallowed .
Safety Statements 
S53:Avoid exposure-obtain special instruction before use .
S45:In case of accident or if you feel unwell, seek medical advice immediately (show label where possible) .
S36/37:Wear suitable protective clothing and gloves .
S16:Keep away from sources of ignition-No smoking .
S7:Keep container tightly closed .
RIDADR  2811
WGK Germany  3
RTECS  MU1050000
Autoignition Temperature 550 °C
HazardClass  6.1(b)
PackingGroup  II
HS Code  29332100
Safety Profile
Confirmed carcinogen producing lymphoma, Hodgkin's disease, tumors of the skin and appendages. Experimental carcinogenic and tumorigenic data. A human poison by ingestion. Poison experimentally by ingestion, subcutaneous, intravenous, and intraperitoneal routes. Moderately toxic by an unspecified route. Experimental teratogenic and reproductive effects. Human systemic effects by ingestion: dermatitis, change in motor activity (specific assay), ataxia (loss of muscle coordmation), degenerative brain changes, encephalitis, hallucinations, dtstorted perceptions, irritabihty, and jaundice. Human teratogenic effects by ingestion: developmental abnormalities of the central nervous system, carlovascular (circulatory) system, musculoskeletal system, craniofacial area, skin and skin appendages, eye, ear, other developmental abnormalities. Effects on newborn include abnormal growth statistics (e.g., reduced weight gain), physical abnormakties, other postnatal measures or effects, and delayed effects. Human mutation data reported. A drug for the treatment of grand mal and psychomotor seizures. When heated to decomposition it emits toxic fumes of NOx
Hazardous Substances Data 57-41-0(Hazardous Substances Data)
Toxicity
LD50 in mice (mg/kg): 92 i.v.; 110 s.c. (Stille, Brunckow)

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