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NIOSH
Pocket Guide
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n-Butyl acetate |
CAS 123-86-4 |
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CH3COO[CH2]3CH3
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RTECS AF7350000 |
Synonyms & Trade Names
Butyl acetate, n-Butyl ester of acetic acid, Butyl ethanoate
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DOT ID & Guide
1123 129 |
Exposure
Limits |
NIOSH REL: TWA 150 ppm (710 mg/m3)
ST 200 ppm (950 mg/m3) |
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OSHA PEL†: TWA 150 ppm (710 mg/m3)
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IDLH 1700 ppm [10%LEL] |
Conversion 1 ppm = 4.75 mg/m3
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Physical Description
Colorless liquid with a fruity odor. |
MW: 116.2
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BP: 258°F
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FRZ: -107°F
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Sol: 1%
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VP: 10 mmHg
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IP: 10.00 eV
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Sp.Gr: 0.88
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Fl.P: 72°F
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UEL: 7.6%
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LEL: 1.7%
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Class IB Flammable Liquid: Fl.P. below
73°F and BP at or above 100°F. |
Incompatibilities & Reactivities
Nitrates; strong oxidizers, alkalis & acids |
Personal Protection & Sanitation
Skin: Prevent skin contact
Eyes: Prevent eye contact
Wash skin: When contaminated
Remove: When wet (flammable)
Change: No recommendation
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First Aid
Eye: Irrigate immediately
Skin: Water flush promptly
Breathing: Respiratory support
Swallow: Medical attention immediately
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Respirator Recommendations NIOSH/OSHA
Up to 1500 ppm: (APF = 10) Any chemical cartridge
respirator with organic vapor cartridge(s)*/(APF = 10) Any supplied-air
respirator*
Up to 1700 ppm: (APF = 25) Any supplied-air
respirator operated in a continuous-flow mode*/(APF = 25) Any
powered, air-purifying respirator with organic vapor cartridge(s)*/(APF
= 50) Any chemical cartridge respirator with a full facepiece and
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 = 50) Any self-contained breathing
apparatus with a full facepiece/(APF = 50) Any supplied-air
respirator 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 |
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Exposure Routes inhalation,
ingestion, skin and/or eye contact |
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Symptoms Irritation eyes, skin,
upper respiratory system; headache, drowsiness, narcosis
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Target Organs Eyes, skin,
respiratory system, central nervous system
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