| 28 | | | HS Code for Inorganic chemicals; inorganic or organic compounds of precious metals, radioactive elements, rare land metals or isotope metals |
| 2825 | | HS Code for Hydrazine and hydroxylamine and their inorganic salts; other inorganic bases; other metal oxides hydroxides and peroxides |
| | 28259012 | Tungsten trioxide |
| | 28259019 | Other tungsten oxides and hydroxides |
| | 28259021 | Bismuth trioxide |
| | 28259029 | Other bismuth oxides and hydroxides |
| | 28259031 | Tin dioxide |
| | 28259039 | Other tin oxides and hydroxides |
| | 28259041 | A niobium oxide |
| | 28259049 | Other niobium oxides and hydroxides |
| | 28259090 | Other metal oxides and hydroxides |
| 2827 | | HS Code for Chlorides chloride oxides and chloride hydroxides; bromides and bromide oxides; iodides and iodide oxides |
| | 28271010 | Fertilizer with ammonium chloride |
| | 28271090 | Non-fertilizer with ammonium chloride |
| | 28274910 | Zirconium oxychloride and chloride hydroxides |
| 2833 | | HS Code for Sulphates; alums; peroxosulphates (persulphates) |
| | 28332930 | Zinc sulfate |
| 2834 | | HS Code for Nitrites; nitrates |
| | 28342110 | Fertilizer with potassium nitrate |
| | 28342190 | Non-fertilizer with potassium nitrate |
| 2836 | | HS Code for Carbonates; peroxocarbonates (percarbonates); commercial ammonium carbonate containing ammonium carbamate |
| | 28369950 | Zirconium carbonate |
| 2842 | | HS Code for Other salts of inorganic acids or peroxoacids (including aluminosilicates whether or |
| | 28429090 | Other inorganic acid salts and peroxy acid salts, except azide |
| 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 |
| 29 | | | HS Code for Organic chemicals |
| 2902 | | HS Code for Cyclic hydrocarbons |
| | 29022000 | Benzene |
| | 29026000 | Ethylbenzene |
Harmonized Tariff Schedule of China inquiry: textile
