2-Pentanone
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CAS
107-87-9
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CH3COCH2CH2CH3
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RTECS
SA7875000
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Synonyms & Trade Names
Ethyl acetone, Methyl propyl ketone, MPK
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DOT ID & Guide
1249 / 127
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Exposure
Limits
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NIOSH REL: TWA 150 ppm (530 mg/m3)
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OSHA PEL†: TWA 200 ppm (700 mg/m3)
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IDLH
1500 ppm
See: 107879
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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
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BP: 215°F
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FRZ: -108°F
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Sol: 6%
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VP: 27 mmHg
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IP: 9.39 eV
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Sp.Gr: 0.81
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Fl.P: 45°F
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UEL: 8.2%
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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, 2555
See: NMAM or OSHA Methods |
Personal Protection & Sanitation (See protection)
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
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
Important additional information about respirator selection
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Exposure Routes
inhalation, ingestion, skin and/or eye contact
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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
See ICSC CARD: 0816 See MEDICAL TESTS: 0146
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