| 2846 | | Compounds, inorganic or organic, of rare-earth metals, of yttrium or of scandium, or of mixtures of these metals: | | | | |
| 2846.90.20 | | Mixtures of rare-earth oxides or of rare-earth chlorides | | Free | | 25% |
| 2846.90.20 | 10 | Rare-earth oxides except cerium oxide | kg | | | |
| 2846.90.40 | 00 | Yttrium bearing materials and compounds containing by weight more than 19 percent but less than 85 percent yttrium oxide equivalent | kg | Free | | 25% |
| 2847.00.00 | 00 | Hydrogen peroxide, whether or not solidified with urea | kg | 3.7% | Free (A,AU,BH, CA,CL,E,IL,J,JO, MA,MX,P,SG) | 25% |
| 2848.00 | | Phosphides, whether or not chemically defined, excluding ferrophosphorus: | | | | |
| 2848.00.10 | 00 | Of copper (phosphor copper), containing more than 15 percent by weight of phosphorus | kg | 2.6% | Free (A,AU,BH, CA,CL,E,IL,J,JO, MA,MX,P,SG) | 32.5% |
| 2848.00.90 | 00 | Of other metals or of nonmetals | kg | Free | | 25% |
| 2849 | | Carbides, whether or not chemically defined: | | | | |
| 2849.10.00 | 00 | Of calcium | kg | 1.8% | Free (A*,AU,BH, CA,CL,E,IL,J,JO, MA,MX,P,SG) | 10% |
| 2849.20.20 | 00 | In grains, or ground, pulverized or refined | kg | 0.5% | Free (A,AU,BH, CA,CL,E,IL,J,JO, MA,MX,P,SG) | 1.6% |
| 2850.00 | | Hydrides, nitrides, azides, silicides and borides, whether or not chemically defined, other than compounds which are also carbides of heading 2849: | | | | |
| 2850.00.05 | 00 | Of calcium | kg | Free | | 25% |
| 2850.00.07 | 00 | Of titanium | kg | 4.9% | Free (A,AU,BH, CA,CL,E,IL,J,JO, MA,MX,P,SG) | 30% |
| 2850.00.20 | 00 | Of vanadium | kg V kg | 5.5% | Free (A,AU,BH, CA,CL,E,IL,J,JO, MA,MX, P) 2.8% (SG) | 40% |
| 2852.00 | | Compounds, inorganic or organic, of mercury, excluding amalgams: | | | | |
| 2852.00.10 | 00 | Mercuric oxide, mercuric cyanide, mercuric oxycyanide And mercuric potassium cyanide | kg | Free | | 25% |
| 2853.00.00 | | Other inorganic compounds (including distilled or conductivity water and water of similar purity); liquid air (whether or not rare gases have been removed); compressed air; amalgams, other than amalgams of precious metals | | 2.8% | Free (A,AU,BH, CA,CL,E,IL,J,JO, MA,MX,P,SG) | 25% |
| 2853.00.00 | 05 | Cyanogen chloride | kg | | | |
| 2853.00.00 | 10 | Gallium arsenide wafers, undoped | kg | | | |
| 2901 | | Acyclic hydrocarbons: | | | | |
| 2901.10 | | Saturated: | | | | |
| 2901.10.10 | 00 | Ethane and butane | kg | Free | | Free |
| 2901.10.30 | 00 | n-Pentane and isopentane | kg | Free | | 25% |
| 2901.10.40 | 00 | Derived in whole or in part from petroleum, shale oil or natural gas | kg | Free | | 25% |
Harmonized Tariff Schedule of the United States inquiry: 3920590000
