| 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 | 05 | Hydrogen cyanide | kg | | | |
| 2811.19.60 | 10 | Sulfamic acid | 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% |
| 2811.29.10 | 00 | Arsenic trioxide | kg | Free | | Free |
| 2812 | | III. HALOGEN OR SULFUR COMPOUNDS OF NONMETALS | | | | |
| 2812.10 | | Chlorides and chloride oxides: | | | | |
| 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 | | | |
| 2812.10.50 | 10 | Phosphorus oxychloride and trichloride | kg | | | |
| 2813 | | Sulfides of nonmetals; commercial phosphorus trisulfide: | | | | |
| 2813.10.00 | 00 | Carbon disulfide | kg | 3.7% | Free (A,AU,BH, CA,CL,E,IL,J,JO, MA,MX,P,SG) | 25% |
| 2813.90.10 | 00 | Of arsenic | kg | Free | | Free |
| 2814 | | IV. INORGANIC BASES AND OXIDES, HYDROXIDES AND PEROXIDES OF METALS | | | | |
| 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 |
| 2817.00.00 | 00 | Zinc oxide; zinc peroxide | kg | Free | | 5.5% |
| 2818 | | Artificial corundum, whether or not chemically defined; aluminum oxide; aluminum hydroxide: | | | | |
| 2818.10 | | Artificial corundum, whether or not chemically defined: | | | | |
| 2818.10.10 | 00 | Crude | t | Free | | Free |
Harmonized Tariff Schedule of the United States inquiry: 3203Ã
