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alpha-Naphthylamine																				Related Pages
Synonyms & Trade Names
			1-Aminonaphthalene, 1-Naphthylamine
CAS No.
			134-32-7
	RTECS No.
			QM1400000
	DOT ID & Guide
			2077 153

FormulaC10H7NH2
	Conversion
	IDLH
			Ca [N.D.]See: IDLH INDEX

Exposure Limits
			NIOSH RELCa See Appendix A
					OSHA PEL [1910.1004] See Appendix B
	Measurement Methods
			**NIOSH** 5518;**OSHA** 93
					
					See: NMAM or OSHA Methods
										
Physical Description
			Colorless crystals with an ammonia-like odor.
					[Note: Darkens in air to a reddish-purple color.]													
										
Molecular Weight143.2	
	Boiling Point573°F
	Melting Point122°F
	Solubility0.002%
	Vapor Pressure(220°F): 1 mmHg
	Ionization Potential7.30 eV											
Specific Gravity1.12	
	Flash Point315°F
	Upper Explosive Limit?
	Lower Explosive Limit?
Combustible Solid
Incompatibilities & Reactivities
			Oxidizes in air
Exposure Routes
			inhalation, skin absorption, ingestion, skin and/or eye contact
Symptoms
			dermatitis; hemorrhagic cystitis; dyspnea (breathing difficulty), ataxia, methemoglobinemia; hematuria (blood in the urine); dysuria; [potential occupational carcinogen]
Target Organs
			Bladder, skin
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
			(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
					  ICSC CARD: 0518
					  MEDICAL TESTS: 0153

			
							

			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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C
D
E
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G
H
I
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M
N
O
P
Q
R
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T
U
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CAS Numbers
RTECS Numbers
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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