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Chemical Sampling Information (CSI)
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General Description

Synonyms: 4-Amino-1-Methylbenzene; p-Tolylamine; C.I. 37107; 4-Methylaniline; Naphthol AS-KGLL

OSHA IMIS Code Number: T105

Chemical Abstracts Service (CAS) Registry Number: 106-49-0

NIOSH Registry of Toxic Effects of Chemical Substances (RTECS) Identification Number: XU3150000; 83250

Department of Transportation Regulation Number (49 CFR 172.101) and Guide: UN1708 Poison 153

NIOSH Pocket Guide to Chemical Hazards, p-Toluidine: Chemical description, physical properties, potentially hazardous incompatibilities, and more

Chemical Description and Physical Properties:
molecular weight: 107.17
molecular formula: C7H9N
Exposure Limits

American Conference of Governmental Industrial Hygienists (ACGIH) Threshold Limit Value (TLV): 2 ppm, 8.8 mg/m3 TWA (Skin); Appendix A3 (Confirmed Animal Carcinogen with Unknown Relevance to Humans)

National Institute for Occupational Safety and Health (NIOSH) Recommended Exposure Limit (REL): Potential Carcinogen; lowest feasible concentration (Skin)


Monitoring Methods used by OSHA

Primary Laboratory Sampling/Analytical Method (SLC1):
  • sampling media: Coated Glass Fiber Filters (37 mm) in 3 piece cassette. Coating is Sulfuric Acid.
    maximum volume: 100 Liters   
    maximum flow rate:
    1.0 L/min
    current analytical method: Gas Chromatography; GC/ECD
    method reference: 2 (OSHA 73)
    sampling and analytical error: 0.09
    method classification: Fully Validated
    note: Filters may be obtained by OSHA personnel from SLTC.
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Page last updated: 01/19/1999