Diisobutyl ketone |
Synonyms & Trade Names DIBK; sym-Diisopropyl acetone; 2,6-Dimethyl-4-heptanone; Isovalerone; Valerone |
CAS No. 108-83-8 |
RTECS No. MJ5775000 |
DOT ID & Guide 1157 128 |
Formula[(CH3)2CHCH2]2CO |
Conversion 1 ppm = 5.82 mg/m3 |
IDLH 500 ppm
See: 108838 |
Exposure Limits NIOSH REL: TWA 25 ppm (150 mg/m3)
OSHA PEL†: TWA 50 ppm (290 mg/m3) |
Measurement Methods
NIOSH 1300 , 2555;
OSHA 7
See: NMAM or OSHA Methods |
Physical Description Colorless liquid with a mild, sweet odor. |
MW: 142.3 |
BP: 334°F |
FRZ: -43°F |
Sol: 0.05% |
VP: 2 mmHg |
IP: 9.04 eV |
Sp.Gr: 0.81 |
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. |
Incompatibilities & Reactivities Strong oxidizers |
Exposure Routes inhalation, ingestion, skin and/or eye contact |
Symptoms irritation eyes, skin, nose, throat; headache, dizziness; dermatitis; liver, kidney damage |
Target Organs Eyes, skin, respiratory system, central nervous system, liver, kidneys |
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Personal Protection/Sanitation (See protection codes)
Skin: Prevent skin contact
Eyes: No recommendation
Wash skin: When contaminated
Remove: When wet or contaminated
Change: No recommendation
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First Aid (See procedures)
Eye: Irrigate immediately
Skin: Soap wash promptly
Breathing: Respiratory support
Swallow: Medical attention immediately |
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
Important additional information about respirator selection |
| See also: INTRODUCTION See ICSC CARD: 0713 See MEDICAL TESTS: 0079 |
