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Diphenylamine

Synonyms & Trade Names
Anilinobenzene, DPA, Phenylaniline, N-Phenylaniline, N-Phenylbenzenamine [Note: The carcinogen 4-Aminodiphenyl may be present as an impurity in the commercial product.]
CAS No.
122-39-4
RTECS No.
DOT ID & Guide
Formula
(C₆H₅)₂NH
Conversion
IDLH
N.D.
See: IDLH INDEX
Exposure Limits
NIOSH REL
TWA 10 mg/m3
OSHA PEL
none See Appendix G
Measurement Methods
OSHA 22 , 78
See: NMAM or OSHA Methods
Physical Description
Colorless, tan, amber, or brown crystalline solid with a pleasant, floral odor. [fungicide]
Molecular Weight
169.2
Boiling Point
576°F
Melting Point
127°F
Solubility
0.03%
Vapor Pressure
(227°F): 1 mmHg
Ionization Potential
7.40 eV
Specific Gravity
1.16
Flash Point
307°F
Upper Explosive Limit
?
Lower Explosive Limit
?
Combustible Solid; explosive if a cloud of dust is exposed to a source of ignition.
Incompatibilities & Reactivities
Oxidizers, hexachloromelamine, trichloromelamine
Exposure Routes
inhalation, skin absorption, ingestion, skin and/or eye contact
Symptoms
irritation eyes, skin, mucous membrane; eczema; tachycardia, hypertension; cough, sneezing; methemoglobinemia; increased blood pressure, heart rate; proteinuria, hematuria (blood in the urine), bladder injury; In Animals: teratogenic effects
Target Organs
Eyes, skin, respiratory system, cardiovascular system, blood, bladder, reproductive system
Personal Protection/Sanitation
(See protection codes)
Skin:Prevent skin contact
Eyes:Prevent eye contact
Wash skin:Daily
Remove:When wet or contaminated
Change:Daily
First Aid
(See procedures)
Eye:Irrigate immediately
Skin:Soap wash promptly
Breathing:Respiratory support
Swallow:Medical attention immediately
Respirator Recommendations
See also
INTRODUCTION   ICSC CARD: 0466
Page last reviewed: October 30, 2019