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Chemical Sampling Information (CSI)
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General Description

Synonyms: 3-Methoxy-17-alpha-19-Norpregna-1,3,5(10)-trien-20-yn-17-ol; Compound 33355; DELTA-MVE

OSHA IMIS Code Number: M305

Chemical Abstracts Service (CAS) Registry Number: 72-33-3

NIOSH Registry of Toxic Effects of Chemical Substances (RTECS) Identification Number: RC8960000; 52523

Chemical Description and Physical Properties:

crystals from Methanol or Acetone
molecular weight: 310.42
melting point: 150-151°F

Monitoring Methods used by OSHA

Primary Laboratory Sampling/Analytical Method (SLC1):

  • sampling media: Low Ash Polyvinyl Chloride (LAPVC) Filter
    analytical solvent: Isopropanol
    maximum volume: 500 Liters
    maximum flow rate: 2.0 L/min
    current analytical method: High Performance Liquid Chromatography; HPLC/FLU
    method reference: 2 (OSHA PV2068)
    method classification: Partially Validated

Conditions: Column: C18 Mobile Phase: 70:30 Acetonitrile: Water Detector Wavelength: 215 EX: 290 EM (Fluor) Detection Limit: 0.0006 mg/m3

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