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| 2-Pentanone | CAS 107-87-9 | ||
| CH3COCH2CH2CH3 | RTECS SA7875000 | ||
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Synonyms & Trade Names Ethyl acetone, Methyl propyl ketone, MPK |
DOT ID & Guide 1249 127 |
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Exposure Limits |
NIOSH REL: TWA 150 ppm (530 mg/m3) | ||
| OSHA PEL�: TWA 200 ppm (700 mg/m3) | |||
| IDLH 1500 ppm | Conversion 1 ppm = 3.52 mg/m3 | ||
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Physical Description Colorless to water-white liquid with a characteristic acetone-like odor. |
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MW: 86.1 |
BP: 215°F |
FRZ: -108°F |
Sol: 6% |
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VP: 27 mmHg |
IP: 9.39 eV |
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Sp.Gr: 0.81 |
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Fl.P: 45°F |
UEL: 8.2% |
LEL: 1.5% |
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| Class IB Flammable Liquid: Fl.P. below 73�F and BP at or above 100�F. | |||
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Incompatibilities & Reactivities Oxidizers, bromine trifluoride |
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Measurement Methods NIOSH 1300 |
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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 Breathing: Respiratory support Swallow: Medical attention immediately |
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Respirator Recommendations
NIOSH Up to 1500 ppm: (APF = 10) Any chemical cartridge respirator with organic vapor cartridge(s)*/(APF = 25) Any powered, air-purifying 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 = 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 |
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| Exposure Routes inhalation, ingestion, skin and/or eye contact | |
| Symptoms Irritation eyes, skin, mucous membrane; headache; dermatitis; narcosis, coma | |
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Target Organs
Eyes, skin, respiratory system, central nervous system |
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| See also: INTRODUCTION |