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Acid yellow 42

General Description

  • OSHA IMIS Code Number: A106
  • Chemical Abstracts Service (CAS) Registry Number: 6375-55-9
  • NIOSH Registry of Toxic Effects of Chemical Substances (RTECS) Identification Number: DV3910000; 20689
  • Chemical Description and Physical Properties:
    • molecular weight: 760.76
    • molecular formula: C32H26N8O8S2.2Na

Monitoring Methods used by OSHA

Primary Laboratory Sampling/Analytical Method (SLC1):
  • Glass Fiber Filters (37 mm)
  • analytical solvent: 65:35 Methanol:0.005M Tetrabutylammonium + Phosphate(pH7.5)
  • maximum volume: 100 Liters
  • maximum flow rate: 1.0 L/min
  • current analytical method: High Performance Liquid Chromatography; HPLC/FL
  • method reference: 2 (OSHA In-house File)
  • method classification: Partially Validated

Column: C8 Mobile Phase:65:35 Methanol:0.005M Tetrabutylammonium Phosphate(pH7.5) Detector Wavelength: 410nm Detection Limit: 3.0 ng/inj

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