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Xylidine																				Related Pages
Synonyms & Trade Names
			Aminodimethylbenzene, Aminoxylene, Dimethylaminobenzene, Dimethylaniline [Xylidene], 2,4-Dimethylaniline, Xylidine isomers
					[Note: Dimethylaniline is also used as a synonym for N,N-Dimethylaniline.]
CAS No.
			1300-73-8
	RTECS No.
			ZE8575000
	DOT ID & Guide
			1711 153

Formula(CH3)2C6H3NH2
	Conversion
			1 ppm = 4.96 mg/m3
	IDLH
			50 ppmSee: 1300738

Exposure Limits
			NIOSH RELTWA 2 ppm (10 mg/m3) [skin]
					OSHA PEL TWA 5 ppm (25 mg/m3) [skin] See Appendix G
	Measurement Methods
			**NIOSH** 2002
					
					See: NMAM or OSHA Methods
										
Physical Description
			Pale-yellow to brown liquid with a weak, aromatic, amine-like odor.													
										
Molecular Weight121.2	
	Boiling Point415-439°F
	Freezing Point-33°F
	SolubilitySlight
	Vapor Pressure<1 mmHg
	Ionization Potential7.65 eV (2,4-) 7.30 eV (2,6-)											
Specific Gravity0.98	
	Flash Point206°F (2,3-)
	Upper Explosive Limit?
	Lower Explosive Limit1.0% (o-isomer)
Class IIIB Combustible Liquid: Fl.P. at or above 200°F. (2,3-)
Incompatibilities & Reactivities
			Strong oxidizers, hypochlorite salts
Exposure Routes
			inhalation, skin absorption, ingestion, skin and/or eye contact
Symptoms
			Anoxia, cyanosis, methemoglobinemia; lung, liver, kidney damage
Target Organs
			respiratory system, blood, liver, kidneys, cardiovascular system
										
Personal Protection/Sanitation
			(See protection codes) **Skin:**Prevent skin contact
							**Eyes:**Prevent eye contact
							**Wash skin:**When contaminated
							**Remove:**When wet or contaminated
							**Change:**No recommendation
							**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****Up to 20 ppm**: (APF = 10) Any chemical cartridge respirator with organic vapor cartridge(s)(APF = 10) Any supplied-air respirator**Up to 50 ppm**: (APF = 25) Any supplied-air respirator operated in a continuous-flow mode(APF = 50) Any chemical cartridge respirator with a full facepiece and organic vapor cartridge(s)(APF = 50) Any air-purifying, full-facepiece respirator (gas mask) with a chin-style, front- or back-mounted organic vapor canister(APF = 25) Any powered, air-purifying respirator with organic vapor cartridge(s)(APF = 50) Any self-contained breathing apparatus with a full facepiece(APF = 50) Any supplied-air respirator with a full facepiece**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 canisterAny appropriate escape-type, self-contained breathing apparatus
				Important additional information about respirator selection
See also
			INTRODUCTION
					  ICSC CARD: 0600
					  MEDICAL TESTS: 0244

			
							

			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
First Aid Procedures Follow NIOSH Facebook
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