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General Description

  • Synonyms: Phenytoin; Difhydan; Dihycon; Di-Hydan; Di-Lan; Dilabid; Dilantin; Ekko; 5,5-Diphenyl-2,4-Imidazolidinedione; Hydantol; Zentropil
  • OSHA IMIS Code Number: D905
  • Chemical Abstracts Service (CAS) Registry Number: 57-41-0
  • NIOSH Registry of Toxic Effects of Chemical Substances (RTECS) Identification Number: MU1050000
  • Chemical Description and Physical Properties:
    • powder
    • molecular weight: 252.26
    • molecular formula: C15H12N2O2
    • melting point: 295-298°C

Health Factors

Monitoring Methods used by OSHA

Primary Laboratory Sampling/Analytical Method (SLC1):
  • Coated Glass Fiber Filters (37 mm) Coating is H2SO4
  • maximum volume: 100 Liters
  • maximum flow rate: 1.0 L/min
  • current analytical method: High Performance Liquid Chromatography; HPLC/U.
  • analytical solvent: Methanol
  • method reference: 2 (OSHA In-House File)
  • method classification: Partially Validated

Column: C8 Mobile Phase: 50:50 Acetonitrile:Water Detector Wavelength: 242nm or 257nm Detection Limit: 13.6 ng/inj

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