🟥 All UN Numbers — Class 2 (Gases)
225 UN numbers total · showing 201–225
UN 3503Chemical under pressure, corrosive, n.o.s.UN 3504Chemical under pressure, flammable, poisonous, n.o.s.UN 3505Chemical under pressure, flammable, corrosive, n.o.s.UN 3510Adsorbed gas, flammable, n.o.s.UN 3511Adsorbed gas, n.o.s.UN 3512Adsorbed gas, poisonous, n.o.s. (Inhalation Hazard Zone A)UN 3513Adsorbed gas, oxidizing, n.o.s.UN 3514Adsorbed gas, poisonous, flammable, n.o.s. (Inhalation Hazard Zone A)UN 3515Adsorbed gas, poisonous, oxidizing, n.o.s. (Inhalation Hazard Zone A)UN 3516Adsorbed gas, poisonous, corrosive, n.o.s. (Inhalation Hazard Zone A)UN 3517Adsorbed gas, poisonous, flammable, corrosive, n.o.s. (Inhalation Hazard Zone A)UN 3518Adsorbed gas, poisonous, oxidizing, corrosive, n.o.s. (Inhalation Hazard Zone A)UN 3519Boron trifluoride, adsorbedUN 3520Chlorine, adsorbedUN 3521Silicon tetrafluoride, adsorbedUN 3522Arsine, adsorbedUN 3523Germane, adsorbedUN 3524Phosphorus pentafluoride, adsorbedUN 3525Phosphine, adsorbedUN 3526Hydrogen selenide, adsorbedUN 3529Machinery, internal combustion, flammable gas poweredUN 3537Articles containing flammable gas, n.o.s.UN 3538Articles containing nonflammable, non-toxic gas, n.o.s.UN 3539Articles containing toxic gas, n.o.s.UN 3553Disilane