Is 5-Methylquinoxaline (CAS: 13708-12-8) safe?

5-Methylquinoxaline is generally considered safe for industrial and laboratory use when handled with appropriate precautions. However, it is mildly toxic and should be stored in a cool, dry place away from heat and sources of ignition. Handling should be performed with gloves and appropriate protective equipment to prevent skin contact and inhalation.