Acetone Safety Acetone is extremely flammable and must be handled with care. Its flash point is 15°F (-9.4°C) (Open Cup test). Acetone's explosive limits in air are 2.6-12.8%. State Information | Glossary | Conversion Checklist | Comments Home | Process Advisor | Alternatives | Links | Search All SAGE material, Copyright© 1992, Research Triangle Institute Last Update: 09 January 1997 sage@rti.org http://clean.rti.org/alt.cfm?id=an&cat=sa