Isobutyl acetate |
Synonyms & Trade Names Isobutyl ester of acetic acid, 2-Methylpropyl acetate, 2-Methylpropyl ester of acetic acid, ?-Methylpropyl ethanoate |
CAS No. 110-19-0 |
RTECS No. AI4025000 |
DOT ID & Guide 1213 129 |
FormulaCH3COOCH2CH(CH3)2 |
Conversion 1 ppm = 4.75 mg/m3 |
IDLH 1300 ppm [10%LEL]
See: 110190 |
Exposure Limits NIOSH REL: TWA 150 ppm (700 mg/m3)
OSHA PEL: TWA 150 ppm (700 mg/m3) |
Measurement Methods
NIOSH 1450;
OSHA 7
See: NMAM or OSHA Methods |
Physical Description Colorless liquid with a fruity, floral odor. |
MW: 116.2 |
BP: 243°F |
FRZ: -145°F |
Sol(77°F): 0.6% |
VP: 13 mmHg |
IP: 9.97 eV |
Sp.Gr: 0.87 |
Fl.P: 64°F |
UEL: 10.5% |
LEL: 1.3% |
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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 |
Exposure Routes inhalation, ingestion, skin and/or eye contact |
Symptoms irritation eyes, skin, upper respiratory system; headache, drowsiness, anesthesia; in animals: narcosis |
Target Organs Eyes, skin, respiratory system, central nervous system |
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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
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First Aid (See procedures)
Eye: Irrigate immediately
Skin: Water flush promptly
Breathing: Respiratory support
Swallow: Medical attention immediately |
Respirator Recommendations NIOSH/OSHA Up to 1300 ppm:
(APF = 25) Any supplied-air respirator operated in a continuous-flow mode£
(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 = 25) Any powered, air-purifying respirator with organic vapor cartridge(s)£
(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
Important additional information about respirator selection |
| See also: INTRODUCTION See ICSC CARD: 0494
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