| 2811.11.00 | 00 | Hydrogen fluoride (Hydrofluoric acid) | kg | Free | | Free |
| 2811.19 | | Other: | | | | |
| 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 | | Other | | 4.2% | Free (A,AU,BH, CA,CL,E,IL,J,JO, MA,MX,P,SG) | 25% |
| 2811.19.60 | 05 | Hydrogen cyanide | kg | | | |
| 2811.19.60 | 10 | Sulfamic acid | kg | | | |
| 2811.19.60 | 90 | Other | kg | | | |
| 2811.21.00 | 00 | Other inorganic oxygen compounds of nonmetals: | | | | |
| 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 | | Silicon dioxide: | | | | |
| 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% |
| 2811.22.50 | 00 | Other | kg | Free | | Free |
| 2811.29 | | Other: | | | | |
| 2811.29.10 | 00 | Arsenic trioxide | kg | Free | | Free |
| 2811.29.20 | 00 | Selenium dioxide | kg | Free | | Free |
| 2811.29.30 | 00 | Sulfur dioxide | kg | 4.2% | Free (A,AU,BH, CA,CL,E,IL,J,JO, MA,MX,P,SG) | 25% |
| 2811.29.50 | 00 | Other | kg | 3.7% | Free (A,AU,BH, CA,CL,E,IL,J,JO, MA,MX,P,SG) | 25% |
| 2812 | | III. HALOGEN OR SULFUR COMPOUNDS OF NONMETALS | | | | |
| 2812 | | Halides and halide oxides of nonmetals: | | | | |
| 2812.10 | | Chlorides and chloride oxides: | | | | |
| 2812.10.10 | 00 | Phosphorus pentachloride` | kg | Free | | 25% |
| 2812.10.50 | | Other | | 3.7% | Free (A,AU,BH, CA,CL,E,IL,J,JO, MA,MX,P,SG) | 25% |
| 2812.10.50 | 05 | Arsenic trichloride, carbonyl dichloride (phosgene), sulfur monochloride, sulfur dichloride and thionyl chloride | kg | | | |
| 2812.10.50 | 10 | Phosphorus oxychloride and trichloride | kg | | | |
Harmonized Tariff Schedule of the United States inquiry: 3203Ã
