NIOSH Pocket Guide to Chemical Hazards

Dipropyl ketone CAS 123-19-3
(CH3CH2CH2)2CO RTECS MJ5600000
Synonyms & Trade Names
Butyrone, DPK, 4-Heptanone, Heptan-4-one, Propyl ketone
DOT ID & Guide
2710 127
NIOSH REL: TWA 50 ppm (235 mg/m3)
OSHA PEL: none
IDLH N.D. Conversion 1 ppm = 4.67 mg/m3
Physical Description
Colorless liquid with a pleasant odor.
MW: 114.2
BP: 291°F
FRZ: -27°F
Sol: Insoluble
VP: 5 mmHg
IP: 9.10 eV

Sp.Gr: 0.82
Fl.P: 120°F
UEL: ?
LEL: ?

Class II Combustible Liquid: Fl.P. at or above 100F and below 140F.
Incompatibilities & Reactivities
Measurement Methods
Personal Protection & Sanitation
Skin: Prevent skin contact
Eyes: Prevent eye contact
Wash skin: Daily
Remove: When wet or contaminated
Change: No recommendation

First Aid (See procedures)
Eye: Irrigate immediately
Skin: Soap wash
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; central nervous system depression, dizziness, drowsiness, decreased breathing; in animals: liver injury; narcosis
Target Organs Eyes, skin, central nervous system, liver