| 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 | 
| 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% | 
| 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 | 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 |  |  |  |  | 
| 2814 |  | Ammonia, anhydrous or in aqueous solution: |  |  |  |  | 
| 2814.10.00 | 00 | Anhydrous ammonia | t | Free |  | Free | 
| 2814.20.00 | 00 | Ammonia in aqueous solution | t NH3 t | Free |  | Free | 
| 2815 |  | Sodium hydroxide (Caustic soda); potassium hydroxide (Caustic potash); peroxides of sodium or potassium: |  |  |  |  | 
| 2815.11.00 | 00 | Sodium hydroxide (Caustic soda): |  |  |  |  | 
| 2815.11.00 | 00 | Solid | kg | Free |  | 1.1¢/kg | 
| 2815.12.00 | 00 | In aqueous solution (Soda lye or liquid soda) | kg NaOH kg | Free |  | 1.1¢/kg |