NIOSH Pocket Guide to Chemical Hazards

Diethyl ketone

CAS 96-22-0


RTECS SA8050000
Synonyms & Trade Names
DEK, Dimethylacetone, Ethyl ketone, Metacetone, 3-Pentanone, Propione
DOT ID & Guide
1156 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: 215°F
FRZ: -44°F
Sol: 5%
VP(77°F): 35 mmHg
IP: 9.32 eV

Sp.Gr: 0.81
Fl.P(oc): 55°F
UEL: 6.4%
LEL: 1.6%

Class IB Flammable Liquid: Fl.P. below 73F and BP at or above 100F.
Incompatibilities & Reactivities
Strong oxidizers, alkalis, mineral acids, (hydrogen peroxide + nitric acid)
Measurement Methods
None available
See: NMAM or OSHA Methods
Personal Protection & Sanitation (See protection)
Skin: No recommendation
Eyes: Prevent eye contact
Wash skin: Daily
Remove: When wet (flammable)
Change: No recommendation

First Aid (See procedures)
Eye: Irrigate immediately
Skin: Soap wash
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, sneezing
Target Organs Eyes, skin, respiratory system
See also: INTRODUCTION   See ICSC CARD: 0874