| 2808.00.00 | 20 | Sulfonitric acids | kg | | | |
| 2809 | | Diphosphorus pentaoxide; phosphoric acid; polyphosphoric acids, whether or not chemically defined: | | | | |
| 2809.20.00 | | Phosphoric acid and polyphosphoric acids | | Free | | Free |
| 2809.20.00 | 10 | Phosphoric acid: | | | | |
| 2809.20.00 | 10 | Fertilizer grade: | | | | |
| 2809.20.00 | 40 | Polyphosphoric acids | t | | | |
| 2810.00.00 | 00 | Oxides of boron; boric acids | t | 1.5% | Free (A*,AU,BH, CA,CL,E,IL,J,JO, MA,MX,P,SG) | 8.5% |
| 2811 | | Other inorganic acids and other inorganic oxygen compounds of nonmetals: | | | | |
| 2811.11.00 | 00 | Other inorganic acids: | | | | |
| 2811.11.00 | 00 | Hydrogen fluoride (Hydrofluoric acid) | kg | Free | | Free |
| 2811.19.10 | 00 | Arsenic acid | kg | 2.3% | Free (A,AU,BH, CA,CL,E,IL,J,JO, MA,MX,P,SG) | 4.9% |
| 2811.19.30 | 00 | Hydrobromic acid | kg | Free | | 25% |
| 2811.19.60 | 10 | Sulfamic acid | kg | | | |
| 2811.21.00 | 00 | Carbon dioxide | t | 3.7% | Free (A,AU,BH, CA,CL,E,IL,J,JO, MA,MX,P,SG) | 25% |
| 2811.22.10 | 00 | Synthetic silica gel | kg | 3.7% | Free (A,AU,BH, CA,CL,E,IL,J,JO, MA,MX,P,SG) | 25% |
| 2812.10.10 | 00 | Phosphorus pentachloride` | kg | Free | | 25% |
| 2812.10.50 | 05 | Arsenic trichloride, carbonyl dichloride (phosgene), sulfur monochloride, sulfur dichloride and thionyl chloride | kg | | | |
| 2813.10.00 | 00 | Carbon disulfide | kg | 3.7% | Free (A,AU,BH, CA,CL,E,IL,J,JO, MA,MX,P,SG) | 25% |
| 2815 | | Sodium hydroxide (Caustic soda); potassium hydroxide (Caustic potash); peroxides of sodium or potassium: | | | | |
| 2815.11.00 | 00 | Sodium hydroxide (Caustic soda): | | | | |
| 2815.20.00 | | Potassium hydroxide (Caustic potash) | | Free | | 2.2￠/kg |
| 2816 | | Hydroxide and peroxide of magnesium; oxides, hydroxides and peroxides, of strontium or barium: | | | | |
| 2816.10.00 | 00 | Hydroxide and peroxide of magnesium | kg | 3.1% | Free (A,AU,BH, CA,CL,E,IL,J,JO, MA,MX,P,SG) | 25% |
| 2818 | | Artificial corundum, whether or not chemically defined; aluminum oxide; aluminum hydroxide: | | | | |
| 2818.10 | | Artificial corundum, whether or not chemically defined: | | | | |
