Mesityl Oxide

CAS RN:141-79-7

OSHA Standards

Permissible Exposure Limit: Table Z-1 8-hr Time Weighted Avg: 25 ppm (100 mg/cu m).
Vacated 1989 OSHA PEL TWA 15 ppm (60 mg/cu m); STEL 25 ppn (100 mg/cu m) is still enforced in some states.
Find more information on this substance at: Hazardous Substances Data Bank , TOXNET , PubMed