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Acetone

Synonyms & Trade Names
Dimethyl ketone, Ketone propane, 2-Propanone
CAS No.
67-64-1
RTECS No.
AL3150000
DOT ID & Guide
1090 127
Formula
(CH3)2CO
Conversion
1 ppm = 2.38 mg/m3
IDLH
2500 ppm [10%LEL]
See: 67641
Exposure Limits
NIOSH REL
: TWA 250 ppm (590 mg/m3)
OSHA PEL
: TWA 1000 ppm (2400 mg/m3)
Measurement Methods

NIOSH 1300 , 2555 , 3800;
OSHA 69
See: NMAM or OSHA Methods
Physical Description
Colorless liquid with a fragrant, mint-like odor.
MW:
58.1
BP:
133°F
FRZ:
-140°F
Sol:
Miscible
VP:
180 mmHg
IP:
9.69 eV
Sp.Gr:
0.79
Fl.P:
0°F
UEL:
12.8%
LEL:
2.5%
Class IB Flammable Liquid: Fl.P. below 73°F and BP at or above 100°F.
Incompatibilities & Reactivities
Oxidizers, acids
Exposure Routes
inhalation, ingestion, skin and/or eye contact
Symptoms
irritation eyes, nose, throat; headache, dizziness, central nervous system depression; dermatitis
Target Organs
Eyes, skin, respiratory system, central nervous system
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
First Aid
(See procedures)
Eye: Irrigate immediately
Skin: Soap wash immediately
Breathing: Respiratory support
Swallow: Medical attention immediately
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

See also: INTRODUCTION   See ICSC CARD: 0087   See MEDICAL TESTS: 0002
 
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