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Chemical Sampling Information (CSI)
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General Description

Synonyms: Chile Saltpeter; Cubic Niter; Nitratine; Soda Niter; Sodium Saltpeter

OSHA IMIS Code Number: R227

Chemical Abstracts Service (CAS) Registry Number: 7631-99-4

NIOSH Registry of Toxic Effects of Chemical Substances (RTECS) Identification Number: WC5600000

Department of Transportation Regulation Number (49 CFR 172.101) and Guide: UN1498 Oxidizer

Chemical Description and Physical Properties:

molecular weight: 85.00
molecular formula: NaNO3

Monitoring Methods used by OSHA

Primary Laboratory Sampling/Analytical Method (SLC1):

  • sampling media: Mixed Cellulose Ester Filter (MCEF) 0.8 microns
    maximum volume: 960 Liters
    maximum flow rate: 2.0 L/min ANL: Atomic Absorption Spectroscopy; AAS
    method reference: 2 (OSHA In-House File)
    method classification: Not Validated ANL: Ion Chromatography; IC
    method reference: 2 (OSHA In-House File)
    method classification: Not Validated
    note: When the analysis of a compound is requested, and elemental analysis is performed and reported as the compound. Submit as a separate sample.

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