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Chemical Sampling Information (CSI)
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General Description

Synonyms: NPBA; 1-butanamine, N-Nitroso-N-propyl; butylamine, N-Nitroso-N-propyl; N-Propyl-N-butylnitrosoamine

OSHA IMIS Code Number: N805

Chemical Abstracts Service (CAS) Registry Number: 25413-64-3

Monitoring Methods used by OSHA

Primary Laboratory Sampling/Analytical Method (SLC1):
  • sampling media: ThermoSorb/N Tube
    analytical solvent: 75/25 (v/v) Dichloromethane/Methanol
    maximum volume: 75 Liters   
    maximum flow rate:
    1.0 L/min
    current analytical method: Gas Chromatography; GC/TEA
    method reference: 2 (OSHA 38)
    sampling and analytical method: 0.11
    method classification: Fully Validated
    note: OSHA personnel may obtain ThermoSorb/N Tube from SLTC. Store samples in freezer.
Bulk Method: Limit the amount of bulk submitted to one gram or one mL.

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Page last updated: 08/24/1992