Cyclohexanone
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CAS
108-94-1
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C6H10O
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RTECS
GW1050000
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Synonyms & Trade Names
Anone, Cyclohexyl ketone, Pimelic ketone
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DOT ID & Guide
1915 / 127
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Exposure
Limits
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NIOSH REL: TWA 25 ppm (100 mg/m3) [skin]
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OSHA PEL†: TWA 50 ppm (200 mg/m3)
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IDLH
700 ppm
See: 108941
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Conversion
1 ppm = 4.02 mg/m3
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Physical Description
Water-white to pale-yellow liquid with a peppermint- or acetone-like odor.
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MW: 98.2
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BP: 312°F
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FRZ: -49°F
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Sol: 15%
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VP: 5 mmHg
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IP: 9.14 eV
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Sp.Gr: 0.95
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Fl.P: 146°F
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UEL: 9.4%
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LEL(212°F): 1.1%
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Class IIIA Combustible Liquid: Fl.P. at or above 140°F and below 200°F.
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Incompatibilities & Reactivities
Oxidizers, nitric acid
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Measurement Methods
NIOSH 1300, 2555; OSHA 1
See: NMAM or OSHA Methods |
Personal Protection & Sanitation (See protection)
Skin: Prevent skin contact
Eyes: Prevent eye contact
Wash skin: When contaminated
Remove: When wet or contaminated
Change: No recommendation
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First Aid (See procedures)
Eye: Irrigate immediately
Skin: Water flush promptly
Breathing: Respiratory support
Swallow: Medical attention immediately
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Respirator Recommendations
NIOSH
Up to 625 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)£
Up to 700 ppm:
(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 powered, air-purifying respirator with a tight-fitting facepiece and organic vapor cartridge(s)£
(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
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Exposure Routes
inhalation, skin absorption, ingestion, skin and/or eye contact
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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: 0425 See MEDICAL TESTS: 0063
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