... propane) (The label andplacard have a red background.)Class 2.2Non-flammablegas and non-toxicgas (e.g.,compressed air) (The label andplacard have a green background.Class 2.3Toxic gas (e.g.,sulphur ... UN 181 4.Common name: Glacial acetic acid TDG classification: Acetic acid solution, class 8 (3), UN2 789 , PGII1. 2. The two parts of a hazard class are:1. Primary hazard class2. Subsidiary hazard class ... International®Subsidiary ClassSome materials have more than one hazard associated with them. For example, a material maybe both corrosive (class 8) and a flammable liquid (class 3). In these cases, the manufacturerwould...