o-Methylcyclohexanone |
Synonyms & Trade Names 2-Methylcyclohexanone |
CAS No. 583-60-8 |
RTECS No. GW1750000 |
DOT ID & Guide 2297 128 |
FormulaCH3C6H9O |
Conversion 1 ppm = 4.59 mg/m3 |
IDLH 600 ppm
See: 583608 |
Exposure Limits NIOSH REL: TWA 50 ppm (230 mg/m3) ST 75 ppm (345 mg/m3) [skin]
OSHA PEL†: TWA 100 ppm (460 mg/m3) [skin] |
Measurement Methods
NIOSH 2521
See: NMAM or OSHA Methods |
Physical Description Colorless liquid with a weak, peppermint-like odor. |
MW: 112.2 |
BP: 325°F |
FRZ: 7°F |
Sol: Insoluble |
VP: 1 mmHg |
IP: ? |
Sp.Gr: 0.93 |
Fl.P: 118°F |
UEL: ? |
LEL: ? |
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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, skin absorption, ingestion, skin and/or eye contact |
Symptoms In animals: irritation eyes, mucous membrane; narcosis; dermatitis |
Target Organs Skin, respiratory system, liver, kidneys, central nervous system |
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Personal Protection/Sanitation (See protection codes)
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: Soap wash promptly
Breathing: Respiratory support
Swallow: Medical attention immediately |
Respirator Recommendations NIOSH Up to 500 ppm:
(APF = 10) Any supplied-air respirator* Up to 600 ppm:
(APF = 25) Any supplied-air respirator operated in a continuous-flow mode*
(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
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