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Chemical Sampling Information (CSI)
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General Description

Synonyms: Anilinobenzene, DPA, Phenylaniline, N-Phenylaniline, N-Phenylbenzenamine

OSHA IMIS Code Number: 0926

Chemical Abstracts Service (CAS) Registry Number: 122-39-4

NIOSH Registry of Toxic Effects of Chemical Substances (RTECS) Identification Number: JJ7800000; 32186

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

Chemical Description and Physical Properties:

solid

Exposure Limits

OSHA Permissible Exposure Limit (PEL):

Construction Industry: 10 mg/m3 TWA

American Conference of Governmental Industrial Hygienists (ACGIH) Threshold Limit Value (TLV): 10 mg/m3 TWA; Appendix A4 (Not Classifiable as a Human Carcinogen)

National Institute for Occupational Safety and Health (NIOSH) Recommended Exposure Limit (REL): 10 mg/m3 TWA

Health Factors

Health Effects: Cumulative liver, kidney, and bladder (HE3) Suspect teratogen (HE5)

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: High Performance Liquid Chromatography; HPLC/UV
    method reference: 2 (OSHA 78)
    method classification: Fully Validated
    note: Filters may be obtained by OSHA personnel from the Salt Lake Technical Center.

Conditions: Column: C18 Mobile Phase: 75:25 Methanol: Water Detector Wavelength: 285nm Detection Limit: 0.42 ng

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