| 2813 | | Sulfides of nonmetals; commercial phosphorus trisulfide: | | | | |
| 2814 | | IV. INORGANIC BASES AND OXIDES, HYDROXIDES AND PEROXIDES OF METALS | | | | |
| 2814 | | Ammonia, anhydrous or in aqueous solution: | | | | |
| 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): | | | | |
| 2815.12.00 | 00 | In aqueous solution (Soda lye or liquid soda) | kg NaOH kg | Free | | 1.1¡é/kg |
| 2815.20.00 | | Potassium hydroxide (Caustic potash) | | Free | | 2.2¡é/kg |
| 2815.30.00 | 00 | Peroxides of sodium or potassium | kg | 3.7% | Free (A,AU,BH, CA,CL,E,IL,J,JO, MA,MX,P,SG) | 25% |
| 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% |
| 2816.40 | | Oxides, hydroxides and peroxides, of strontium or barium: | | | | |
| 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: | | | | |
| 2818.10.20 | | In grains, or ground, pulverized or refined | | 1.3% | Free (A,AU,BH, CA,CL,E,IL,J,JO, MA,MX,P,SG) | 4.1% |
| 2818.10.20 | 10 | White, pink or ruby, containing more than 97.5 percent by weight of aluminum oxide | kg | | | |
| 2818.20.00 | 00 | Aluminum oxide, other than artificial corundum | kg | Free | | 1.1¡é/kg |
| 2819 | | Chromium oxides and hydroxides: | | | | |
| 2821 | | Iron oxides and hydroxides; earth colors containing 70 percent or more by weight of combined iron evaluated as Fe2O3: | | | | |
| 2821.10.00 | | Iron oxides and hydroxides | | 3.7% | Free (A,AU,BH, CA,CL,E,IL,J,JO, MA,MX,P,SG) | 25% |
| 2822.00.00 | 00 | Cobalt oxides and hydroxides; commercial cobalt oxides | kg | 0.1% | Free (A,AU,BH, CA,CL,E,IL,J,JO, MA,MX,P,SG) | 1.7% |
| 2824 | | Lead oxides; red lead and orange lead: | | | | |
| 2824.10.00 | 00 | Lead monoxide (litharge, massicot) | kg | 3% | Free (A,AU,BH, CA,CL,E,IL,J,JO, MA,MX,P,SG) | 12% |
| 2824.90.10 | 00 | Lead suboxide (leady litharge) | kg | 5.5% | Free (A,AU,BH, CA,CL,E,IL,J,JO, MA,MX, P,) 2.7% (SG) | 30% |
