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Chemical Sampling Information (CSI)
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General Description

Synonyms: (1) Obtained from FDA, Rockville, Md. 20857, Dr. Robert Livingston. Pfizer is listed as having the U.S.

OSHA IMIS Code Number: C723

Chemical Abstracts Service (CAS) Registry Number: 6804-07-5

NIOSH Registry of Toxic Effects of Chemical Substances (RTECS) Identification Number: FE2779000; 24716

Chemical Description and Physical Properties:

    minute yellow crystals; practically insoluble in water
    molecular weight: 262.23
    melting point: 239.5-240°C

Monitoring Methods used by OSHA

Primary Laboratory Sampling/Analytical Method (SLC1):

  • sampling media: Glass Fiber Filter (37 mm)
    analytical solvent: Methanol
    maximum volume: 120 Liters
    maximum flow rate: 1.0 L/min
    current analytical method: High Performance Liquid Chromatography: HPLC/U
    method reference: 2 (OSHA In-house File)
    method classification: Not Validated
    note: Samples must be protected from light at all times.

Conditions: Column: C18 Mobile Phase: 60:40:0.2 Methanol:Water:H3PO4 Detector Wavelength: 246 or 314 nm

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