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Chemical Sampling Information (CSI)
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General Description

Synonyms: Guaiacol; o-Methoxyphenol; Methylcatechol; o-Hydroxyanisole; 1-Hydroxy-2-methoxybenzene

OSHA IMIS Code Number: M168

Chemical Abstracts Service (CAS) Registry Number: 90-05-1

NIOSH Registry of Toxic Effects of Chemical Substances (RTECS) Identification Number: SL7525000; 56973

Chemical Description and Physical Properties:

molecular weight: 124.13
molecular formula: C7H8O2
boiling point: 205°C
melting point: 28°C

Monitoring Methods used by OSHA

Primary Laboratory Sampling/Analytical Method (SLC1):

  • sampling media: XAD-7 Tube (100/50 mg sections; 15/50 mesh)
    analytical solvent: Methanol
    maximum volume: 20 Liters
    maximum flow rate: 0.2 L/min
    current analytical method: Gas Chromatography; GC/FID
    method reference: 2 (OSHA In-House File)
    sampling and analytical error: 0.12
    method classification: Partially Validated

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