Skip directly to local search Skip directly to A to Z list Skip directly to navigation Skip directly to site content Skip directly to page options
CDC Home

Enter search terms separated by spaces.

N-Phenyl-beta-naphthylamine

Synonyms & Trade Names
2-Anilinonaphthalene, β-Naphthylphenylamine, PBNA, 2-Phenylaminonaphthalene, Phenyl-β-naphthylamine
CAS No.
135-88-6
RTECS No.
QM4550000
DOT ID & Guide
Formula
C10H7NHC6H5
Conversion
IDLH
Ca [N.D.]
See: IDLH INDEX
Exposure Limits
NIOSH REL
: Ca* See Appendix A [*Note: Since metabolized to β-Naphthylamine.]
OSHA PEL
: none
Measurement Methods

OSHA 96
See: NMAM or OSHA Methods
Physical Description
White to yellow crystals or gray to tan flakes or powder. [Note: Commercial product may contain 20-30 ppm of β-Naphthylamine.]
MW:
219.3
BP:
743°F		 MLT: 226°F
Sol:
Insoluble
VP:
?
IP:
?
Sp.Gr:
1.24
Fl.P:
?
UEL:
?
LEL:
?
Combustible Solid
Incompatibilities & Reactivities
Oxidizers
Exposure Routes
inhalation, skin absorption, ingestion, skin and/or eye contact
Symptoms
Irritation; leucoplakia; acne, hypersensitivity to sunlight; [potential occupational carcinogen]
Target Organs
Eyes, skin, bladder
Cancer Site
[bladder cancer]
Personal Protection/Sanitation
(See protection codes)
Skin: Prevent skin contact
Eyes: Prevent eye contact
Wash skin: When contaminated/Daily
Remove: When wet or contaminated
Change: Daily
Provide: Eyewash, Quick drench
First Aid
(See procedures)
Eye: Irrigate immediately
Skin: Soap wash immediately
Breathing: Respiratory support
Swallow: Medical attention immediately
Respirator Recommendations

NIOSH

At concentrations above the NIOSH REL, or where there is no REL, at any detectable concentration:
(APF = 10,000) Any self-contained breathing apparatus that has a full facepiece and is operated in a pressure-demand or other positive-pressure mode
(APF = 10,000) Any supplied-air respirator that has a full facepiece and is operated in a pressure-demand or other positive-pressure mode in combination with an auxiliary self-contained positive-pressure breathing apparatus

Escape:
(APF = 50) Any air-purifying, full-facepiece respirator (gas mask) with a chin-style, front- or back-mounted organic vapor canister having an N100, R100, or P100 filter.
Click here for information on selection of N, R, or P filters.
Any appropriate escape-type, self-contained breathing apparatus

Important additional information about respirator selection

See also: INTRODUCTION   See ICSC CARD: 0542
 

Order NIOSH Publications

Contact Us:
USA.gov: The U.S. Government's Official Web PortalDepartment of Health and Human Services
Centers for Disease Control and Prevention   1600 Clifton Rd. Atlanta, GA 30333, USA
800-CDC-INFO (800-232-4636) TTY: (888) 232-6348 - Contact CDC–INFO