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Chemical Sampling Information (CSI)
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General Description

Synonyms: Nitrous Acid Isobutyl Ester

OSHA IMIS Code Number: K207

Chemical Abstracts Service (CAS) Registry Number: 542-56-3

NIOSH Registry of Toxic Effects of Chemical Substances (RTECS) Identification Number: RA0805000; 52058

Monitoring Methods used by OSHA

Primary Laboratory Sampling/Analytical Method (SLC1):

  • sampling media: Charcoal Tube (100/50 mg sections, 20/40 mesh)
    analytical solvent: Acetonitrile
    maximum volume: 8.5 Liters
    maximum flow rate: 0.2 L/min
    current analytical method: High Performance Liquid Chromatography; HPLC/UV
    method reference: 2 (OSHA In-House File)
    method classification: Not Validated
    note: Protect sample from light and heat.

Conditions: Column: C18 Mobile Phase: 66:34 Methanol: Water Detector Wavelength: 216nm Detection Limit: 0.5 mg/m3

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