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General Description

  • Synonyms: Diphenylmethanone; Diphenyl ketone; Benzoylbenzene; alpha-Oxodiphenylmethane; alpha-Oxoditane; Oxodiphenylmethane; Oxoditane
  • OSHA IMIS Code Number: B505
  • Chemical Abstracts Service (CAS) Registry Number: 119-61-9
  • NIOSH Registry of Toxic Effects of Chemical Substances (RTECS) Identification Number: DI9950000
  • Chemical Description and Physical Properties:
    • white solid
    • molecular weight: 182.22
    • molecular formula: C13H10O
    • boiling point: 305°C
    • melting point: 48.5°C

Monitoring Methods used by OSHA

Primary Laboratory Sampling/Analytical Method (SLC1):
  • Chromosorb 106 tubes (100/50 mg sections, 60/80 mesh)
  • analytical solvent: 99:1 carbon disulfide:N,N-dimethylformamide
  • maximum volume: 48 Liters
  • maximum flow rate: 0.2 L/min
  • current analytical method: Gas Chromatography; GC/FID
  • method reference: OSHA Analytical Method (OSHA PV2130)
  • method classification: Partially Validated

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