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 |
| | 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 |
| | 28500019 | Other nitride |
| | 28500090 | Hydride, azide, silicides and borides, whether or not there is pat chemically defined, except be subsumed heading of carbides 28.49 |
| 2852 | | HS Code for Inorganic or organic compounds of mercury
whether or not chemically defined excluding amalgams |
| | 28521000 | Inorganic or organic compounds of mercury, amalgam, except |
| | 28529000 | Other inorganic or organic compounds of mercury, amalgam |
| 2853 | | HS Code for Phosphides whether or not chemically defined excluding ferrophosphorus; other inorganic compounds (including distilled or conductivity water and water of similar purity); liquid air (whether or not rare gases have been removed); |
| | 28531000 | Cyanogen chloride |
| | 28539010 | Drinking distilled water |
| | 28539030 | Nickel cobalt manganese hydroxide |
| | 28539040 | Phosphides, whether or not chemically defined , excluding ferrophosphorus |
| | 28539090 | Other inorganic compounds, liquid air, compressed air, amalgam, but precious metals except mercury qi |
29 | | | HS Code for Organic chemicals |
| 2920 | | HS Code for Esters of other inorganic acids of non-metals (excluding esters of hydrogen halides) and their salts; their halogenated sulphonated nitrated or nitrosated derivatives |
| | 29201100 | Parathion (iso) and methyl parathion (iso) |
| | 29201900 | Other phosphorothioates and salts thereof, and their halogenated, sulfonated, nitrated, or nitrosated derivatives |
| | 29202100 | Dimethyl phosphite |