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o-Anisidine																				Related Pages
Synonyms & Trade Names
			ortho-Aminoanisole, 2-Anisidine, o-Methoxyaniline
					[Note: o-Anisidine has been used as a basis for many dyes.]
CAS No.
			90-04-0
	RTECS No.
			BZ5410000
	DOT ID & Guide
			2431 153

FormulaNH2C6H4OCH3
	Conversion
	IDLH
			Ca [50 mg/m3]See: 90040

Exposure Limits
			NIOSH RELCa TWA 0.5 mg/m3 [skin] See Appendix A
					OSHA PEL TWA 0.5 mg/m3 [skin]
	Measurement Methods
			**NIOSH** 2514
					
					See: NMAM or OSHA Methods
										
Physical Description
			Red or yellow, oily liquid with an amine-like odor.
					[Note: A solid below 41°F.]													
										
Molecular Weight123.2	
	Boiling Point437°F
	Freezing Point41°F
	Solubility(77°F): 1%
	Vapor Pressure<0.1 mmHg
	Ionization Potential7.44 eV											
Specific Gravity1.10	
	Flash Point(oc) 244°F
	Upper Explosive Limit?
	Lower Explosive Limit?
Class IIIB Combustible Liquid: Fl.P. at or above 200°F.
Incompatibilities & Reactivities
			Strong oxidizers
Exposure Routes
			inhalation, skin absorption, ingestion, skin and/or eye contact
Symptoms
			headache, dizziness; cyanosis; red blood cell Heinz bodies; [potential occupational carcinogen]
Target Organs
			Blood, kidneys, liver, cardiovascular system, central nervous system
Cancer Site[in animals: tumors of the thyroid gland, bladder & kidneys]										
Personal Protection/Sanitation
			(See protection codes) **Skin:**Prevent skin contact
							**Eyes:**Prevent eye contact
							**Wash skin:**When contaminated
							**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 canisterAny appropriate escape-type, self-contained breathing apparatus
				Important additional information about respirator selection
See also
			INTRODUCTION
					  ICSC CARD: 0970

			
							

			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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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
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