2-Pentanone |
Synonyms & Trade Names Ethyl acetone, Methyl propyl ketone, MPK |
CAS No. 107-87-9 |
RTECS No. SA7875000 |
DOT ID & Guide 1249 127 |
FormulaCH3COCH2CH2CH3 |
Conversion 1 ppm = 3.52 mg/m3 |
IDLH 1500 ppm
See: 107879 |
Exposure Limits NIOSH REL: TWA 150 ppm (530 mg/m3)
OSHA PEL†: TWA 200 ppm (700 mg/m3) |
Measurement Methods
NIOSH 1300 , 2555
See: NMAM or OSHA Methods |
Physical Description Colorless to water-white liquid with a characteristic acetone-like odor. |
MW: 86.1 |
BP: 215°F |
FRZ: -108°F |
Sol: 6% |
VP: 27 mmHg |
IP: 9.39 eV |
Sp.Gr: 0.81 |
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. |
Incompatibilities & Reactivities Oxidizers, bromine trifluoride |
Exposure Routes inhalation, ingestion, skin and/or eye contact |
Symptoms irritation eyes, skin, mucous membrane; headache; dermatitis; narcosis, coma |
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
Breathing: Respiratory support
Swallow: Medical attention immediately |
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 |
| See also: INTRODUCTION See ICSC CARD: 0816 See MEDICAL TESTS: 0146 |
