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| Ethyl butyl ketone | CAS 106-35-4 | ||
| CH3CH2CO[CH2]3CH3 | RTECS MJ5250000 | ||
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Synonyms & Trade Names Butyl ethyl ketone, 3-Heptanone |
DOT ID & Guide 1224 127 |
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Exposure Limits |
NIOSH REL: TWA 50 ppm (230 mg/m3) | ||
| OSHA PEL: TWA 50 ppm (230 mg/m3) | |||
| IDLH 1000 ppm | Conversion 1 ppm = 4.67 mg/m3 | ||
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Physical Description Colorless liquid with a powerful, fruity odor. |
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MW: 114.2 |
BP: 298°F |
FRZ: -38°F |
Sol: 1% |
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VP: 4 mmHg |
IP: 9.02 eV |
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Sp.Gr: 0.82 |
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Fl.P(oc): 115°F |
UEL: ? |
LEL: ? |
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| Class II Combustible Liquid: Fl.P. at or above 100�F and below 140�F. | |||
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Incompatibilities & Reactivities Oxidizers, acetaldehyde, perchloric acid |
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Measurement Methods NIOSH 1301; OSHA 7 |
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Personal Protection & Sanitation Skin: Prevent skin contact Eyes: Prevent eye contact Wash skin: When contaminated Remove: When wet or contaminated Change: No recommendation |
First Aid (See procedures) Eye: Irrigate immediately Skin: Water flush Breathing: Respiratory support Swallow: Medical attention immediately |
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Respirator Recommendations
NIOSH/OSHA Up to 500 ppm: (APF = 10) Any chemical cartridge respirator with organic vapor cartridge(s)*/(APF = 10) Any supplied-air respirator* Up to 1000 ppm: (APF = 25) Any supplied-air respirator operated in a continuous-flow mode*/(APF = 25) Any powered, air-purifying respirator with organic vapor cartridge(s)*/(APF = 50) Any chemical cartridge respirator with a full facepiece and 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 = 50) Any self-contained breathing apparatus with a full facepiece/(APF = 50) Any supplied-air respirator 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 |
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| Exposure Routes inhalation, ingestion, skin and/or eye contact | |
| Symptoms Irritation eyes, skin, mucous membrane; headache, narcosis, coma; dermatitis | |
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Target Organs
Eyes, skin, respiratory system, central nervous system |
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| See also: INTRODUCTION |