| Standard International Trade Classification (SITC) - level 2 - Division | 52 | Inorganic chemicals | 
                
                  
                    | Standard International Trade Classification (SITC) - level 4 - Sub-group | 5231 | Fluorides and the complex fluorine salts | 
                
                  
                    | Standard International Trade Classification (SITC) - level 4 - Sub-group | 5232 | Chlorides, chloride oxides and hydroxides | 
                
                  
                    | Standard International Trade Classification (SITC) - level 4 - Sub-group | 5233 | Hypochlorites,chlorates,hypobromites,bromates, etc. | 
                
                  
                    | Standard International Trade Classification (SITC) - level 4 - Sub-group | 5234 | Sulphides, polysulphides, dithionites, sulphites, etc. | 
                
                  
                    | Standard International Trade Classification (SITC) - level 4 - Sub-group | 5235 | Nitrites, nitrates | 
                
                  
                    | Standard International Trade Classification (SITC) - level 4 - Sub-group | 5236 | Phosphinates, phosphonates, (poly)phosphates | 
                
                  
                    | Standard International Trade Classification (SITC) - level 4 - Sub-group | 5237 | Carbonates, peroxocarbonates, percarbonates | 
                
                  
                    | Standard International Trade Classification (SITC) - level 4 - Sub-group | 5238 | Other metallic salts a. peroxysalts of inorgan. acids |