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General Description

  • Synonyms: o,o-Diethyl s-[(4-oxo-1,2,3-benzotriazin-3(4H)-yl)methyl]- phosphorodithioate; Azinos; Ethyl Guthion
  • OSHA IMIS Code Number: A618
  • Chemical Abstracts Service (CAS) Registry Number: 2642-71-9
  • NIOSH Registry of Toxic Effects of Chemical Substances (RTECS) Identification Number: TD8400000; 59101
  • Chemical Description and Physical Properties:
    • colorless crystals
    • melting point: 53°C

Health Factors

  • Health Effects: LD50 (oral, rat) 17.5 mg/kg

Monitoring Methods used by OSHA

Primary Laboratory Sampling/Analytical Method (SLC1):
  • OSHA Versatile Sampler (OVS-2) - 13 mm XAD-2 tube (270/140 mg sections, 20/60 mesh) with Glass Fiber Filter enclosed
  • analytical solvent: Toluene
  • maximum volume: 480 Liters
  • maximum flow rate: 1.0 L/min
  • current analytical method: Gas Chromatography; GC/FPD
  • method reference: 2 (OSHA In-House File)
  • method classification: Partially Validated
  • note: OSHA personnel may obtain sampling tubes from the Salt Lake Technical Center.
Wipe Sampling Method:
  • Glass Fiber Filter

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