| 814 | Dihydrogen selenideElectronic e-2, H2Se, Hydrogen selenide, Hydrogeneselenie, Selane, Selenium hydride, Seleniumhydride, Selenwasserstoff, [Seh2] | | High Pressure Gas Safety Act | Combustible gases | | Good ventilation in storage; no fire; installation of the detection and warning facility for gas leakage; external safety inspection at least once a year; periodical self-inspection at least once a year | Ministry of Economy, Trade and Industry | | High Pressure Gas Safety Act |
| 850 | Dihydrogen selenideElectronic e-2, H2Se, Hydrogen selenide, Hydrogeneselenie, Selane, Selenium hydride, Seleniumhydride, Selenwasserstoff, [Seh2] | | High Pressure Gas Safety Act | Special high pressure gases | | Good ventilation in storage; installation of the detection and warning facility for gas leakage; external safety inspection at least once a year; periodical self-inspection at least once a year | Ministry of Economy, Trade and Industry | | High Pressure Gas Safety Act |
| 858 | Dihydrogen selenideElectronic e-2, H2Se, Hydrogen selenide, Hydrogeneselenie, Selane, Selenium hydride, Seleniumhydride, Selenwasserstoff, [Seh2] | | High Pressure Gas Safety Act | Toxic gases | | Good ventilation in storage; installation of the detection and warning facility for gas leakage; external safety inspection at least once a year; periodical self-inspection at least once a year | Ministry of Economy, Trade and Industry | | High Pressure Gas Safety Act |
| 4112 | Dihydrogen selenideElectronic e-2, H2Se, Hydrogen selenide, Hydrogeneselenie, Selane, Selenium hydride, Seleniumhydride, Selenwasserstoff, [Seh2] | | Waste Management and Public Cleansing Act | Specially Controlled Industrial Waste | | Waste treatment by yourself or commission permitted vendors for the treatment; appointment of Specially Controlled Industrial Waste Manager; making an annual logbook for transport and disposal and keeping its record for 11 years | Ministry of the Environment | | |