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sec-Amyl acetate																				Related Pages
Synonyms & Trade Names
			1-Methylbutyl acetate, 2-Pentanol acetate, 2-Pentyl ester of acetic acid
CAS No.
			626-38-0
	RTECS No.
			AJ2100000
	DOT ID & Guide
			1104 129

FormulaCH3COOCH(CH3)C3H7
	Conversion
			1 ppm = 5.33 mg/m3
	IDLH
			1000 ppmSee: 626380

Exposure Limits
			NIOSH RELTWA 125 ppm (650 mg/m3)
					OSHA PEL TWA 125 ppm (650 mg/m3)
	Measurement Methods
			**NIOSH** 1450 , 2549;**OSHA** 7
					
					See: NMAM or OSHA Methods
										
Physical Description
			Colorless liquid with a mild odor.													
										
Molecular Weight130.2	
	Boiling Point249°F
	Freezing Point-109°F
	SolubilitySlight
	Vapor Pressure7 mmHg
	Ionization Potential?											
Specific Gravity0.87	
	Flash Point89°F
	Upper Explosive Limit7.5%
	Lower Explosive Limit1%
Class IC Flammable Liquid: Fl.P. at or above 73°F and below 100°F.
Incompatibilities & Reactivities
			Nitrates; strong oxidizers, alkalis & acids
Exposure Routes
			inhalation, ingestion, skin and/or eye contact
Symptoms
			irritation eyes, skin, nose; narcosis; dermatitis; possible kidney, liver injury; possible central nervous system depression
Target Organs
			Eyes, skin, respiratory system, kidneys, liver, central nervous 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
	First Aid
			(See procedures)**Eye:**Irrigate immediately
							**Skin:**Water flush promptly
							**Breathing:**Respiratory support
							**Swallow:**Medical attention immediately
Respirator Recommendations
			**NIOSH/OSHA****Up to 1000 ppm**: (APF = 10) Any chemical cartridge respirator with 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 = 10) Any supplied-air respirator*(APF = 50) Any self-contained breathing apparatus 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: 0219

			
							

			Page last reviewed:  October 30, 2019						Content
							source: 	National Institute for Occupational Safety and Health NIOSH Pocket Guide to Chemical Hazards
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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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