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sec-Amyl acetate

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
Formula
CH₃COOCH(CH₃)C₃H₇
Conversion
1 ppm = 5.33 mg/m3
IDLH
1000 ppm
See: 626380
Exposure Limits
NIOSH REL
TWA 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 Weight
130.2
Boiling Point
249°F
Freezing Point
-109°F
Solubility
Slight
Vapor Pressure
7 mmHg
Ionization Potential
?
Specific Gravity
0.87
Flash Point
89°F
Upper Exposive Limit
7.5%
Lower Explosive Limit
1%
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 canister
Any appropriate escape-type, self-contained breathing apparatus

Important additional information about respirator selection

See also
INTRODUCTION   ICSC CARD: 0219

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