Acetone
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CAS
67-64-1
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(CH3)2CO
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RTECS
AL3150000
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Synonyms & Trade Names
Dimethyl ketone, Ketone propane, 2-Propanone
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DOT ID & Guide
1090 / 127
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Exposure
Limits
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NIOSH REL: TWA 250 ppm (590 mg/m3)
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OSHA PEL†: TWA 1000 ppm (2400 mg/m3)
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IDLH
2500 ppm [10%LEL]
See: 67641
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Conversion
1 ppm = 2.38 mg/m3
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Physical Description
Colorless liquid with a fragrant, mint-like odor.
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MW: 58.1
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BP: 133°F
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FRZ: -140°F
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Sol: Miscible
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VP: 180 mmHg
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IP: 9.69 eV
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Sp.Gr: 0.79
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Fl.P: 0°F
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UEL: 12.8%
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LEL: 2.5%
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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, acids
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Measurement Methods
NIOSH 1300, 2555, 3800; OSHA 69
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: Soap wash immediately
Breathing: Respiratory support
Swallow: Medical attention immediately
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Respirator Recommendations
NIOSH
Up to 2500 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, nose, throat; headache, dizziness, central nervous system depression; dermatitis
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Target Organs
Eyes, skin, respiratory system, central nervous system
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See also: INTRODUCTION
See ICSC CARD: 0087 See MEDICAL TESTS: 0002
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