P-NITROANILINE†

Chemical Identification
Chemical Identification
CAS # 100-01-6
Formula

C₆H₆N₂O₂

Synonyms

p-aminonitrobenzene; 4-nitroaniline; 4-nitrobenzenamine; p-nitrophenylamine; PNA

Physical Properties
Physical Properties
Physical description Bright yellow, crystalline powder with a slight ammonia-like odor.
Boiling point 630°F Molecular weight 138.1
Freezing point/melting point 295°F Vapor pressure 0.00002 mmHg
Flash point 390°F Vapor density 4.77
Specific gravity 1.42 Ionization potential 8.85 eV
Lower explosive limit (LEL) Upper explosive limit (UEL)
NFPA health rating 3 NFPA fire rating 1
NFPA reactivity rating 2 NFPA special instruction
Vapor hazard ratio (VHR)
Historical exceedance percentage
Target organs
Monitoring Methods Used by OSHA
Monitoring Methods Used by OSHA
Analyte code (IMIS no.) 1865
Sampling group
Sampler/Sampling media Pre-assembled cassette with mixed cellulose ester filter (MCEF) 0.8 micron (37 mm) [MAWP037A0]
Sampling time*
Sampling volume (TWA)*

16-350 L

Sampling flow rate (TWA)*

1-3 L/min

Sampling volume (STEL/Peak/C)*
Sampling flow rate (STEL/Peak/C)*
Analytical method instruments HPLC-UV
Method reference NIOSH 5033 (fully validated)
Notes
Special requirements

* All sampling instructions above are recommended guidelines for OSHA Compliance Safety and Health Officers (CSHOs), please see the corresponding OSHA method reference for complete details.

Wipe Method
Wipe Method
Sampler/Sampling media
Bulk Method
Bulk Method
On-Site Screening Techniques
On-Site Screening Techniques
Device
Model/Type
Sampling information
(see manufacturer instructions)
Exposure Limits
Exposure Limits
OSHA PEL
8-hour TWA
(ST) STEL
(C) Ceiling
Peak
NIOSH REL
Up to 10-hour TWA
(ST) STEL
(C) Ceiling
ACGIH TLV©
8-hour TWA
(ST) STEL
(C) Ceiling
CAL/OSHA PEL
8-hour TWA
(ST) STEL
(C) Ceiling
Peak
PEL-TWA

1 ppm (6 mg/m³)

REL-TWA

3 mg/m³

TLV-TWA

3 mg/m³ [1992]

PEL-TWA

3 mg/m³

PEL-STEL REL-STEL TLV-STEL PEL-STEL
PEL-C REL-C TLV-C PEL-C
Skin notation

Y

Skin notation

Y

Skin notation

Y

Skin notation

Y

Notes:

See 29 CFR 1910.1000 Table Z-1.

Notes: Notes:

BEI®

Notes:
Health factors:  See NIH-NLM PubChem. IDLH

300 mg/m³

Carcinogenic classifications: TLV-A4 Notes:
AIHA emergency response planning guidelines - ERPG-1/ERPG-2/ERPG-3:
Additional Resources and Literature References
Additional Resources and Literature References

NOAA: CAMEO Chemicals - P-Nitroaniline, [solid]

NIOSH: Pocket Guide to Chemical Hazards - p-Nitroaniline

Literature References

  • ACGIH: Documentation of the Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs) - p-Nitroaniline. See annual publication for most recent information.

Last Updated Date : 01/28/2021