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n-Butylamine																				Related Pages
Synonyms & Trade Names
			1-Aminobutane, Butylamine
CAS No.
			109-73-9
	RTECS No.
			EO2975000
	DOT ID & Guide
			1125 132

FormulaCH3CH2CH2CH2NH2
	Conversion
			1 ppm = 2.99 mg/m3
	IDLH
			300 ppmSee: 109739

Exposure Limits
			NIOSH RELC 5 ppm (15 mg/m3) [skin]
					OSHA PEL C 5 ppm (15 mg/m3) [skin]
	Measurement Methods
			**NIOSH** 2012
					
					See: NMAM or OSHA Methods
										
Physical Description
			Colorless liquid with a fishy, ammonia-like odor.													
										
Molecular Weight73.2	
	Boiling Point172°F
	Freezing Point-58°F
	SolubilityMiscible
	Vapor Pressure82 mmHg
	Ionization Potential8.71 eV											
Specific Gravity0.74	
	Flash Point10°F
	Upper Explosive Limit9.8%
	Lower Explosive Limit1.7%
Class IB Flammable Liquid: Fl.P. below 73°F and BP at or above 100°F.
Incompatibilities & Reactivities
			Strong oxidizers, strong acids
					[Note: May corrode some metals in presence of water.]
Exposure Routes
			inhalation, skin absorption, ingestion, skin and/or eye contact
Symptoms
			irritation eyes, skin, nose, throat; headache; skin flush, burns
Target Organs
			Eyes, skin, respiratory system
										
Personal Protection/Sanitation
			(See protection codes) **Skin:**Prevent skin contact
							**Eyes:**Prevent eye contact
							**Wash skin:**When contaminated
							**Remove:**When wet (flammable)
							**Change:**No recommendation
							**Provide:**Eyewash, Quick drench
	First Aid
			(See procedures)**Eye:**Irrigate immediately
							**Skin:**Water flush immediately
							**Breathing:**Respiratory support
							**Swallow:**Medical attention immediately
Respirator Recommendations
			**NIOSH/OSHA****Up to 50 ppm**: (APF = 10) Any chemical cartridge respirator with cartridge(s) providing protection against the compound of concern*(APF = 10) Any supplied-air respirator***Up to 125 ppm**: (APF = 25) Any supplied-air respirator operated in a continuous-flow mode*(APF = 25) Any powered, air-purifying respirator with cartridge(s) providing protection against the compound of concern***Up to 250 ppm**: (APF = 50) Any chemical cartridge respirator with a full facepiece and cartridge(s) providing protection against the compound of concern(APF = 50) Any air-purifying, full-facepiece respirator (gas mask) with a chin-style, front- or back-mounted canister providing protection against the compound of concern(APF = 50) Any powered, air-purifying respirator with a tight-fitting facepiece and cartridge(s) providing protection against the compound of concern*(APF = 50) Any self-contained breathing apparatus with a full facepiece(APF = 50) Any supplied-air respirator with a full facepiece**Up to 300 ppm**: (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 canister providing protection against the compound of concernAny appropriate escape-type, self-contained breathing apparatus
				Important additional information about respirator selection
See also
			INTRODUCTION
					  ICSC CARD: 0374

			
							

			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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