# NIOSH Pocket Guide to Chemical Hazards
Triphenylamine | CAS 603-34-9
(C6H5)3N | RTECS YK2680000
Synonyms & Trade Names N,N-Diphenylaniline; N,N-Diphenylbenzenamine | DOT ID & Guide
Exposure Limits | NIOSH REL: TWA 5 mg/m3
OSHA PEL†: none
IDLH N.D. | Conversion
Physical Description Colorless solid.
MW: 245.3 | BP: 689°F | MLT: 261°F | Sol: Insoluble
VP: ? | IP: 7.60 eV |  | Sp.Gr: 0.77
Fl.P: ? | UEL: ? | LEL: ? |
Incompatibilities & Reactivities None reported
Measurement Methods None available
Personal Protection & Sanitation Skin: Prevent skin contact Eyes: Prevent eye contact Wash skin: Daily Remove: No recommendation Change: Daily | First Aid (See procedures) Eye: Irrigate immediately Skin: Soap wash Breathing: Respiratory support Swallow: Medical attention immediately
Respirator Recommendations To be added later
Exposure Routes inhalation, ingestion, skin and/or eye contact
Symptoms In animals: irritation skin
Target Organs Skin
See also: INTRODUCTION