NIOSH Pocket Guide to Chemical Hazards

Methyl isopropyl ketone

CAS 563-80-4


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


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
Measurement Methods
None available
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

First Aid (See procedures)
Eye: Irrigate immediately
Skin: Soap wash immediately
Breathing: Respiratory support
Swallow: Medical attention immediately
Important additional information about respirator selection
Respirator Recommendations Not available.
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   See ICSC CARD: 0922