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| 2-Hexanone | CAS 591-78-6 | ||
| CH3CO[CH2]3CH3 | RTECS MP1400000 | ||
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Synonyms & Trade Names Butyl methyl ketone, MBK, Methyl butyl ketone, Methyl n-butyl ketone |
DOT ID & Guide |
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Exposure Limits |
NIOSH REL: TWA 1 ppm (4 mg/m3) | ||
| OSHA PEL�: TWA 100 ppm (410 mg/m3) | |||
| IDLH 1600 ppm | Conversion 1 ppm = 4.10 mg/m3 | ||
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Physical Description Colorless liquid with an acetone-like odor. |
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MW: 100.2 |
BP: 262°F |
FRZ: -71°F |
Sol: 2% |
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VP: 11 mmHg |
IP: 9.34 eV |
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Sp.Gr: 0.81 |
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Fl.P: 77°F |
UEL: 8% |
LEL: ? |
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| Class IC Flammable Liquid: Fl.P. at or above 73�F and below 100�F. | |||
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Incompatibilities & Reactivities Strong oxidizers |
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Measurement Methods NIOSH 1300; OSHA PV2031 |
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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: Soap wash immediately Breathing: Respiratory support Swallow: Medical attention immediately |
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Respirator Recommendations
NIOSH Up to 10 ppm: (APF = 10) Any supplied-air respirator Up to 25 ppm: (APF = 25) Any supplied-air respirator operated in a continuous-flow mode Up to 50 ppm: (APF = 50) Any supplied-air respirator that has a tight-fitting facepiece and is operated in a continuous-flow mode/(APF = 50) Any self-contained breathing apparatus with a full facepiece/(APF = 50) Any supplied-air respirator with a full facepiece Up to 1600 ppm: (APF = 2000) Any supplied-air respirator that has a full facepiece and is operated in a pressure-demand or other positive-pressure mode 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, skin absorption, ingestion, skin and/or eye contact | |
| Symptoms Irritation eyes, nose; peripheral neuropathy: lassitude (weakness, exhaustion), paresthesia; dermatitis; headache, drowsiness | |
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Target Organs
Eyes, skin, respiratory system, central nervous system, peripheral nervous system |
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| See also: INTRODUCTION |