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Hexone |
CAS 108-10-1 | ||
CH3COCH2CH(CH3)2 |
RTECS SA9275000 | ||
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Synonyms & Trade Names Isobutyl methyl ketone, Methyl isobutyl ketone, 4-Methyl 2-pentanone, MIBK |
DOT ID & Guide 1245 127 |
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Exposure
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NIOSH REL: TWA 50 ppm (205 mg/m3) ST 75 ppm (300 mg/m3) | ||
| OSHA PEL†: TWA 100 ppm (410 mg/m3) | |||
| IDLH 500 ppm See: 108101 | Conversion 1 ppm = 4.10 mg/m3 | ||
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Physical Description Colorless liquid with a pleasant odor. |
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MW: 100.2 |
BP: 242°F |
FRZ: -120°F |
Sol: 2% |
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VP: 16 mmHg |
IP: 9.30 eV |
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Sp.Gr: 0.80 |
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Fl.P: 64°F |
UEL(200°F): 8.0% |
LEL(200°F): 1.2% |
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| Class IB Flammable Liquid: Fl.P. below 73°F and BP at or above 100°F. | |||
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Incompatibilities & Reactivities Strong oxidizers, potassium tert-butoxide |
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Measurement Methods NIOSH 1300, 2555; OSHA 1004 See: NMAM or OSHA Methods |
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Personal Protection & Sanitation (See protection) 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: Water flush promptly Breathing: Respiratory support Swallow: Medical attention immediately |
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Important additional information about respirator selection Respirator Recommendations NIOSH Up to 500 ppm: (APF = 10) Any chemical cartridge 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 = 50) Any powered, air-purifying respirator with a tight-fitting facepiece and organic vapor cartridge(s)* (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 |
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| Exposure Routes inhalation, ingestion, skin and/or eye contact | |
| Symptoms Irritation eyes, skin, mucous membrane; headache, narcosis, coma; dermatitis; in animals: 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 See ICSC CARD: 0511 See MEDICAL TESTS: 0134 |