Disodium tetraborate "refined borax" (excl. anhydrous)
                    HS code
                    : 284019
                    GN code
                    : 28401900
                    Taric code
                    : 284019000080 
                
Above you can see more specifications for the HS code: 284019. In the overview you will also see related codes to be able to search more specific.