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Chemical Sampling Information (CSI)
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General Description

OSHA IMIS Code Number: M329

Chemical Abstracts Service (CAS) Registry Number: 150-76-5

NIOSH Registry of Toxic Effects of Chemical Substances (RTECS) Identification Number: SL7700000; 56974

NIOSH Pocket Guide to Chemical Hazards, 4-Methoxyphenol: chemical description, physical properties, potentially hazardous incompatibilities, and more

Chemical Description and Physical Properties:

    molecular weight: 124.15
    molecular formula: C7H8O2
Exposure Limits

American Conference of Governmental Industrial Hygienists (ACGIH) Threshold Limit Value (TLV): 5 mg/m3 TWA

National Institute for Occupational Safety and Health (NIOSH) Recommended Exposure Limit (REL): 5mg/m3 TWA

Health Factors

Additional Information:

  • Occupational Health Guidelines for Chemical Hazards. US Department of Health and Human Services (DHHS), National Institute for Occupational Safety and Health (NIOSH) Publication No. 81-123, (1981, January). Provides a table of contents of guidelines for many hazardous chemicals. The files provide technical chemical information, including chemical and physical properties, health effects, exposure limits, and recommendations for medical monitoring, personal protective equipment (PPE), and control procedures.
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: OSHA Analytical Method (OSHA PV2039)
    method classification: Partially Validated
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