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.

4-Nitrobiphenyl

Synonyms & Trade Names
p-Nitrobipheny, p-Nitrodiphenyl, 4-Nitrodiphenyl, p-Phenylnitrobenzene, 4-Phenylnitrobenzene, PNB
CAS No.
92-93-3
RTECS No.
DV5600000
DOT ID & Guide
Formula
C6H5C6H4NO2
Conversion
IDLH
Ca [N.D.]
See: IDLH INDEX
Exposure Limits
NIOSH REL
: Ca See Appendix A
OSHA PEL
: [1910.1003] See Appendix B
Measurement Methods

NIOSH P&CAM273 (II-4);
OSHA PV2082
See: NMAM or OSHA Methods
Physical Description
White to yellow, needle-like, crystalline solid with a sweetish odor.
MW:
199.2
BP:
644°F
MLT: 237°F
Sol:
Insoluble
VP:
?
IP:
?
Sp.Gr:
?
Fl.P:
290°F
UEL:
?
LEL:
?
Combustible Solid
Incompatibilities & Reactivities
Strong reducers
Exposure Routes
inhalation, skin absorption, ingestion, skin and/or eye contact
Symptoms
headache, drowsiness, dizziness; dyspnea (breathing difficulty); ataxia, lassitude (weakness, exhaustion); methemoglobinemia; urinary burning; acute hemorrhagic cystitis; [potential occupational carcinogen]
Target Organs
Bladder, blood
Cancer Site
[in animals: bladder tumors]
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

(See Appendix E)

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 with 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: 1395   See MEDICAL TESTS: 0162
 
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