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Chemical Sampling Information (CSI)
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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 Guide: 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):

  • sampling media: 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