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p-Nitroaniline																				Related Pages
Synonyms & Trade Names
			para-Aminonitrobenzene, 4-Nitroaniline, 4-Nitrobenzenamine, p-Nitrophenylamine, PNA
CAS No.
			100-01-6
	RTECS No.
			BY7000000
	DOT ID & Guide
			1661 153

FormulaNO2C6H4NH2
	Conversion
	IDLH
			300 mg/m3See: 100016

Exposure Limits
			NIOSH RELTWA 3 mg/m3 [skin]
					OSHA PEL TWA 6 mg/m3 (1 ppm) [skin] See Appendix G
	Measurement Methods
			**NIOSH** 5033
					
					See: NMAM or OSHA Methods
										
Physical Description
			Bright yellow, crystalline powder with a slight ammonia-like odor.													
										
Molecular Weight138.1	
	Boiling Point630°F
	Melting Point295°F
	Solubility0.08%
	Vapor Pressure0.00002 mmHg
	Ionization Potential8.85 eV											
Specific Gravity1.42	
	Flash Point390°F
	Upper Explosive Limit?
	Lower Explosive Limit?
Combustible Solid
Incompatibilities & Reactivities
			Strong oxidizers, strong reducers
					[Note: May result in spontaneous heating of organic materials in the presence of moisture.]
Exposure Routes
			inhalation, skin absorption, ingestion, skin and/or eye contact
Symptoms
			irritation nose, throat; cyanosis, ataxia; tachycardia, tachypnea; dyspnea (breathing difficulty); irritability; vomiting, diarrhea; convulsions; resp arrest; anemia; methemoglobinemia; jaundice
Target Organs
			respiratory system, blood, heart, liver
										
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:**Quick drench
	First Aid
			(See procedures)**Eye:**Irrigate immediately
							**Skin:**Water flush immediately
							**Breathing:**Respiratory support
							**Swallow:**Medical attention immediately
Respirator Recommendations
			**NIOSH****Up to 30 mg/m3**: (APF = 10) Any supplied-air respirator***Up to 75 mg/m3**: (APF = 25) Any supplied-air respirator operated in a continuous-flow mode***Up to 150 mg/m3**: (APF = 50) Any self-contained breathing apparatus with a full facepiece(APF = 50) Any supplied-air respirator with a full facepiece**Up to 300 mg/m3**: (APF = 2000) Any supplied-air respirator that has a full facepiece and is operated in a pressure-demand or other positive-pressure mode**Emergency or planned entry into unknown concentrations or IDLH conditions:** (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
					  ICSC CARD: 0308
					  MEDICAL TESTS: 0160

			
							

			Page last reviewed:  October 30, 2019						Content
							source: 	National Institute for Occupational Safety and Health NIOSH Pocket Guide to Chemical Hazards
Introduction
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Chemical Names, Synonyms and Trade Names
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Appendices
A – NIOSH Potential Occupational Carcinogens
B – Thirteen OSHA-Regulated Carcinogens
C – Supplementary Exposure Limits
D – Substances with No Established RELs
E – OSHA Respirator Requirements for Selected Chemicals
F – Miscellaneous Notes
G – 1989 Air Contaminants Update Project: Exposure Limits NOT in Effect
Type C & CE – Definitions for Type C and Type CE Respirators
Personal Protection and Sanitation Codes
First Aid Procedures Follow NIOSH Facebook
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