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Carbon Tetrafluoride

General Description

  • Synonyms: Carbon Fluoride; Freon 14; Halon 14; Perfluoromethane; Tetrafluoromethane; FC 14; R 14 (Refrigerant)
  • OSHA IMIS Code Number: C325
  • Chemical Abstracts Service (CAS) Registry Number: 75-73-0
  • NIOSH Registry of Toxic Effects of Chemical Substances (RTECS) Identification Number: FG4920000; 25038
  • Department of Transportation Regulation Number (49 CFR 172.101) and Emergency Response Guidebook: UN1982 Non-Flammable Gas
  • NIOSH Pocket Guide to Chemical Hazards, Carbon Tetrafluoride: Chemical description, physical properties, potentially hazardous incompatibilities, and more
  • Chemical Description and Physical Properties:
    • colorless, odorless gas. Thermally stable. Chemically very inert. Used as low temperature refrigerant, gaseous insulator
    • molecular weight: 88.01
    • melting point: -183.6°C
    • boiling point: -127.8°C

Monitoring Methods used by OSHA

Primary Laboratory Sampling/Analytical Method (SLC1):
  • Charcoal Tube (100/50 mg sections, 20/40 mesh)
  • current analytical method: Gas Chromatography; GC/FID
  • method reference: 14 (Wisconsin Occupational Health Laboratory (WOHL))
  • method classification: Not Validated

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