Diisobutyl ketone

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A colorless, liquid used as a slow-drying Solvent for Cellulose nitrate and other synthetic resins in coating and lacquer operations. Diisobutyl ketone is also used as a solvent for inks and stains.

Chemical structure

Diisobutyl ketone.jpg

Synonyms and Related Terms

DIBK; di-iso-butyl ketone; 2,6-dimethyl-4-heptanone;isovalerone

Hazards and Safety

  • Toxic.
  • Combustible. Flash point=49C (120F)
  • Millipore Sigma: SDS

Physical and Chemical Properties

Miscible with most organic solvents. Immiscible with water.

Composition C9H18O
CAS 108-83-8
Melting Point -41.5 C
Density 0.8089 g/ml
Molecular Weight mol. wt. = 142.24
Boiling Point 168.1 C

Resources and Citations

  • Richard S. Lewis, Hawley's Condensed Chemical Dictionary, Van Nostrand Reinhold, New York, 10th ed., 1993