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General Description

  • Synonyms: 3,5-Bis(tert-butyl)phenol
  • OSHA IMIS Code Number: B752
  • Chemical Abstracts Service (CAS) Registry Number: 1138-52-9
  • Chemical Description and Physical Properties:
    • off-white/yellow crystalline solid; does not mix with water
    • molecular weight: 206.33
    • molecular formula: [(CH3)3 C]2 C6H3 OH
    • melting point: 87°C

Monitoring Methods used by OSHA

Primary Laboratory Sampling/Analytical Method (SLC1):
  • OSHA Versatile Sampler (OVS-7) - 13 mm XAD-7 tube (270/140 mg sections, 20/60 mesh) with Glass Fiber Filter enclosed
  • maximum volume: 100 Liters
  • maximum flow rate: 1.0 L/min
  • current analytical method: Gas Chromatography; GC/FID
  • analytical solvent: Methanol
  • method reference: (OSHA In-house File)
  • method classification: Not Validated

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