September 2010
NIOSH Publication Number 2010-168c

Diethyl ketone

Synonyms & Trade Names
DEK, Dimethylacetone, Ethyl ketone, Metacetone, 3-Pentanone, Propione
CAS No.
96-22-0
RTECS No.
SA8050000
DOT ID & Guide
1156 127
Formula
CH3CH2COCH2CH3
Conversion
1 ppm = 3.53 mg/m3
IDLH
N.D.
See: IDLH INDEX
Exposure Limits
NIOSH REL
: TWA 200 ppm (705 mg/m3)
OSHA PEL
†: none
Measurement Methods

None available
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 73°F and BP at or above 100°F.
Incompatibilities & Reactivities
Strong oxidizers, alkalis, mineral acids, (hydrogen peroxide + nitric acid)
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
Personal Protection/Sanitation
(See protection codes)
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
Respirator Recommendations

Not available.

Important additional information about respirator selection

See also: INTRODUCTION   See ICSC CARD: 0874