Chloropentafluoroethane

General Description

  • Synonyms: Freon 115; Genetron 115
  • OSHA IMIS Code Number: C135
  • Chemical Abstracts Service (CAS) Registry Number: 76-15-3
  • NIOSH Registry of Toxic Effects of Chemical Substances (RTECS) Identification Number: KH7877500; 33497
  • Department of Transportation Regulation Number (49 CFR 172.101) and Emergency Response Guidebook: 1020 126; UN1020 Non-Flammable Gas
  • Chemical Description and Physical Properties:
    • molecular weight: 154.47
    • boiling point: -21.9°C
    • molecular formula: C2C1F5

Exposure Limits

  • American Conference of Governmental Industrial Hygienists (ACGIH) Threshold Limit Value (TLV): 1000 ppm; 6320 mg/m3 TWA
  • National Institute for Occupational Safety and Health (NIOSH) Recommended Exposure Limit (REL): 1000 ppm TWA

Monitoring Methods used by OSHA

Primary Laboratory Sampling/Analytical Method (SLC1):
  • Charcoal Tube (100/50 mg sections, 20/40 mesh)
  • analytical solvent: Carbon disulfide
  • maximum volume: 2.5 Liters
  • maximum flow rate: 0.05 L/min
  • current analytical method: Gas Chromatography; GC/FID
  • method reference: 2 (OSHA In-House File)
  • method classification: Not Validated

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