28 | | | HS Code for Inorganic chemicals; inorganic or organic compounds of precious metals, radioactive elements, rare land metals or isotope metals |
| 2846 | | HS Code for Compounds inorganic or organic of rare-earth metals of yttrium or of scandium or of mixtures of these metals |
| | 28469041 | Lanthanum carbonate |
| | 28469042 | Terbium carbonate |
| | 28469043 | Dysprosium carbonate |
| | 28469044 | Neodymium carbonate |
| | 28469045 | Praseodymium carbonate |
| | 28469046 | Yttrium carbonate |
| | 28469048 | Mixed rare earth carbonate |
| | 28469049 | Other rare earth carbonate unmixed |
| | 28469091 | Other compounds of lanthanum |
| | 28469092 | Other compounds of neodymium |
| | 28469093 | Other compounds of terbium |
| | 28469094 | Other compounds of dysprosium |
| | 28469095 | Other compounds of praseodymium |
| | 28469096 | Other compounds of yttrium |
| | 28469099 | Other compounds of rare earth metals, yttrium, scandium |
| 2847 | | HS Code for Hydrogen Peroxide, Whether Or Not Solidified Urea |
| | 28470000 | Hydrogen peroxide |
| 2849 | | HS Code for Carbides whether or not chemically defined |
| | 28491000 | Calcium carbide |
| | 28492000 | Silicon carbide |
| | 28499010 | Boron carbide |
| | 28499020 | Tungsten carbide |
| | 28499090 | Other carbide |
| 2850 | | HS Code for Hydrides nitrides azides silicides and borides whether or not chemically defined other than compounds which are also carbides of heading 2849 |
| | 28500011 | Manganese nitride |
| | 28500012 | Bn |