Neon Ne Rare Gases CAS No.: 7440-01-9 EINECS No.: 231-110-9 UN No.: UN1065 Purity: 99.999% Dot Class: 2.2 Appearance: Colorless Grade Standard: Electron Grade,Industrial Grade Lighting: Used in the neon lights and as the filling of the electronic industry media (such as high pressure neon light, counter, etc.); Laser Technology:: Used in voltage regulation, as well as laser mixture composition. Breath: Neon Oxygen mixture instead of helium oxygen to breathe.