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| Diisobutyl ketone | CAS 108-83-8 | ||
| [(CH3)2CHCH2]2CO | RTECS MJ5775000 | ||
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Synonyms & Trade Names DIBK; sym-Diisopropyl acetone; 2,6-Dimethyl-4-heptanone; Isovalerone; Valerone |
DOT ID & Guide 1157 127 |
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Exposure Limits |
NIOSH REL: TWA 25 ppm (150 mg/m3) | ||
| OSHA PEL�: TWA 50 ppm (290 mg/m3) | |||
| IDLH 500 ppm | Conversion 1 ppm = 5.82 mg/m3 | ||
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Physical Description Colorless liquid with a mild, sweet odor. |
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MW: 142.3 |
BP: 334°F |
FRZ: -43°F |
Sol: 0.05% |
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VP: 2 mmHg |
IP: 9.04 eV |
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Sp.Gr: 0.81 |
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Fl.P: 120°F |
UEL(200°F): 7.1% |
LEL(200°F): 0.8% |
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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 Strong oxidizers |
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Measurement Methods NIOSH 1300; OSHA 7 |
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Personal Protection & Sanitation Skin: Prevent skin contact Eyes: No recommendation Wash skin: When contaminated Remove: When wet or contaminated Change: No recommendation |
First Aid (See procedures) Eye: Irrigate immediately Skin: Soap wash promptly Breathing: Respiratory support Swallow: Medical attention immediately |
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Respirator Recommendations
NIOSH Up to 500 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, nose, throat; headache, dizziness; dermatitis; liver, kidney damage | |
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Target Organs
Eyes, skin, respiratory system, central nervous system, liver, kidneys |
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| See also: INTRODUCTION |