# NIOSH Pocket Guide to Chemical Hazards
Methyl isopropyl ketone | CAS 563-80-4
CH3COCH(CH3)2 | RTECS EL9100000
Synonyms & Trade Names 2-Acetyl propane, Isopropyl methyl ketone, 3-Methyl-2-butanone, 3-Methyl butan-2-one, MIPK | DOT ID & Guide 2397 127
Exposure Limits | NIOSH REL: TWA 200 ppm (705 mg/m3)
OSHA PEL†: none
IDLH N.D. See: IDLH INDEX | Conversion 1 ppm = 3.53 mg/m3
Physical Description Colorless liquid with an acetone-like odor.
MW: 86.2 | BP: 199°F | FRZ: -134°F | Sol: Very slight
VP: 42 mmHg | IP: 9.32 eV |  | Sp.Gr: 0.81
Fl.P: ? | UEL: ? | LEL: ? |
Combustible Liquid
Incompatibilities & Reactivities Oxidizers
Measurement Methods None available
Personal Protection & Sanitation Skin: Prevent skin contact Eyes: Prevent eye contact Wash skin: When contaminated Remove: When wet or contaminated Change: No recommendation | First Aid (See procedures) Eye: Irrigate immediately Skin: Soap wash immediately Breathing: Respiratory support Swallow: Medical attention immediately
Respirator Recommendations To be added later
Exposure Routes inhalation, ingestion, skin and/or eye contact
Symptoms Irritation eyes, skin, mucous membrane, respiratory system; cough
Target Organs Eyes, skin, respiratory system
See also: INTRODUCTION