# NIOSH Pocket Guide to Chemical Hazards
sec-Amyl acetate | CAS 626-38-0
CH3COOCH(CH3)C3H7 | RTECS AJ2100000
Synonyms & Trade Names 1-Methylbutyl acetate, 2-Pentanol acetate, 2-Pentyl ester of acetic acid | DOT ID & Guide 1104 129
Exposure Limits | NIOSH REL: TWA 125 ppm (650 mg/m3)
OSHA PEL: TWA 125 ppm (650 mg/m3)
IDLH 1000 ppm | Conversion 1 ppm = 5.33 mg/m3
Physical Description Colorless liquid with a mild odor.
MW: 130.2 | BP: 249°F | FRZ: -109°F | Sol: Slight
VP: 7 mmHg | IP: ? |  | Sp.Gr: 0.87
Fl.P: 89°F | UEL: 7.5% | LEL: 1% |
Class IC Flammable Liquid: Fl.P. at or above 73°F and below 100°F.
Incompatibilities & Reactivities Nitrates; strong oxidizers, alkalis & acids
Measurement Methods NIOSH 1450, 2549; OSHA 7
Personal Protection & Sanitation 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 canister/Any appropriate escape-type, self-contained breathing apparatus
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
See also: INTRODUCTION