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Substance Name: Ethylphenylhydantoin
RN: 631-07-2
UNII: 23SM1FA1AK
InChIKey: UDTWZFJEMMUFLC-UHFFFAOYSA-N

Note

  • The name nirvanol may have been used for ethotoin.

Classification Codes

  • Anticonvulsants
  • Central Nervous System Agents

Molecular Formula

  • C11-H12-N2-O2

Molecular Weight

  • 204.2278
 
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Names and Synonyms

Name of Substance

  • Ethylphenylhydantoin

Synonyms

  • EINECS 211-150-3
  • Ethylphenylhydantoin
  • Nirvanol
  • NSC 150466
  • UNII-23SM1FA1AK

Systematic Names

  • 2,4-Imidazolidinedione, 5-ethyl-5-phenyl- (9CI)
  • 5-Ethyl-5-phenyl-2,4-imidazolidinedione (9CI)
  • 5-Ethyl-5-phenylhydantoin
  • Hydantoin, 5-ethyl-5-phenyl-

Registry Numbers

CAS Registry Number

  • 631-07-2

FDA UNII

  • 23SM1FA1AK

System Generated Number

  • 0000631072

Structure Descriptors

InChI

1S/C11H12N2O2/c1-2-11(8-6-4-3-5-7-8)9(14)12-10(15)13-11/h3-7H,2H2,1H3,(H2,12,13,14,15)

InChIKey

UDTWZFJEMMUFLC-UHFFFAOYSA-N

Smiles

CCC1(C(=O)NC(=O)N1)c2ccccc2

Toxicity

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
dog LDLo subcutaneous 200mg/kg (200mg/kg)   "Abdernalden's Handbuch der Biologischen Arbeitsmethoden." Vol. 4, Pg. 1289, 1935.
frog LDLo subcutaneous 100mg/kg (100mg/kg)   "Abdernalden's Handbuch der Biologischen Arbeitsmethoden." Vol. 4, Pg. 1289, 1935.
mouse LDLo oral 500mg/kg (500mg/kg)   "Narkoseversuche mit Hoheren Alkoholen und Stickstoffderivaten, Dissertation," Leube, F., Pharmakologischen Institut der Universitat Tubingen, Fed. Rep. Ger., 1931Vol. -, Pg. -, 1931.
mouse LDLo subcutaneous 500mg/kg (500mg/kg) BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY)

BEHAVIORAL: EXCITEMENT
"Pharmakologische Prufung von Analgetika, Dissertation," Herrlen, G., Pharmakologischen Institut der Universitat Tubingen, Fed. Rep. Ger., 1933Vol. -, Pg. -, 1933.

Physical Properties

Physical Property Value Units Temp (deg C) Source
log P (octanol-water) 1.53 (none)   EXP
Water Solubility 1380 mg/L 25 EXP
Vapor Pressure 8.81E-09 mm Hg 25 EST
Henry's Law Constant 2.23E-10 atm-m3/mole 25 EST
Atmospheric OH Rate Constant 1.01E-11 cm3/molecule-sec 25 EST

Physical property data is provided to ChemIDplus by SRC, Inc.