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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.
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
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   See ICSC CARD: 0219
 

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