28 | | | HS Code for Inorganic chemicals; inorganic or organic compounds of precious metals, radioactive elements, rare land metals or isotope metals |
| 2811 | | HS Code for Other inorganic acids and other in-organic oxygen compounds of non-metals |
| | 28111200 | Hydrocyanic acid |
| | 28111920 | Hydrogen selenide |
| | 28111990 | Other inorganic acids |
| | 28112100 | Carbon dioxide |
| | 28112210 | Silica silicone |
| | 28112290 | Other silica |
| | 28112900 | Other non-metallic inorganic oxide |
| 2812 | | HS Code for Halides and halide oxides of non- metals |
| | 28121100 | Carbonyl dichloride (phosgene) |
| | 28121200 | Phosphorus oxychloride |
| | 28121300 | Phosphorus trichloride |
| | 28121400 | Phosphorus pentachloride |
| | 28121500 | Sulfur monochloride (sulfur monochloride) |
| | 28121600 | Sulfur dichloride |
| | 28121700 | Thionyl chloride |
| | 28121900 | Other non-metal chlorides and oxychlorides |
| | 28129011 | Nitrogen trifluoride |
| | 28129019 | Other fluorides and oxyfluorides |
| | 28129090 | Other non-metal halides and oxyhalides |
| 2813 | | HS Code for Sulphides of non-metals; commercial phosphorus trisulphide |
| | 28131000 | Carbon disulfide |
| | 28139000 | Other non-metallic sulfide, phosphorus trisulfide product |
| 2814 | | HS Code for Ammonia anhydrous or in aqueous solution |
| | 28141000 | Ammonia |
| | 28142000 | Ammonia |
| 2815 | | HS Code for Sodium hydroxide (caustic soda); potassium hydroxide (caustic potash); peroxides of sodium or potassium |
| | 28151100 | Solid sodium hydroxide |