| 2711.13.00 | 10 | Butanes with a purity of 90 liquid volume percent or more, but less than 95 liquid volume percent | bbl | | | |
| 2711.19.00 | 10 | Ethane | bbl | | | |
| 2711.29.00 | 20 | Butanes with a purity of 90 liquid volume percent or more, but less than 95 liquid volume percent | bbl | | | |
| 2712.20.00 | 00 | Paraffin wax containing by weight less than 0.75 percent of oil | kg | Free | | 2.2￠/kg |
| 2804.61.00 | 00 | Containing by weight not less than 99.99 percent of silicon | kg | Free | | 25% |
| 2804.69.10 | 00 | Containing by weight less than 99.99 percent but not less than 99 percent of silicon | kg Si kg | 5.3% | Free (A*,AU,BH, CA,CL,E,IL,J,JO, MA,MX, P,SG) | 21% |
| 2809.20.00 | 10 | Containing less than 65 percent available diphosphorus pentaoxide (P2O5) equivalents | t | | | |
| 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￠/kg |
| 2842 | | Other salts of inorganic acids or peroxoacids (including aluminosilicates whether or not chemically defined), other than azides: | | | | |
| 2844.40.00 | | Radioactive elements and isotopes and com- pounds other than those of subheadings 2844.10, 2844.20, and 2844.30; alloys, dis- persions (including cermets), ceramic products and mixtures containing these elements, isotopes or compounds; radioactive residues | | Free | | Free |
| 2845 | | Isotopes other than those of heading 2844; com- pounds, inorganic or organic, of such isotopes, whether or not chemically defined: | | | | |
| 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% |
| 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% |
| 2850.00 | | Hydrides, nitrides, azides, silicides and borides, whether or not chemically defined, other than compounds which are also carbides of heading 2849: | | | | |
| 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% |
| 2901.10.10 | 00 | Ethane and butane | kg | Free | | Free |
| 2903.11.00 | | Chloromethane (Methyl chloride) and chloroethane (Ethyl chloride) | | 5.5% | Free (A,AU,BH,CA, CL,E,IL,J,JO, MA,MX,P,SG) | 125% |
| 2903.11.00 | 10 | Chloromethane (Methyl chloride) | kg | | | |
| 2903.11.00 | 20 | Chloroethane (Ethyl chloride) | kg | | | |
| 2903.12.00 | 00 | Dichloromethane (Methylene chloride) | kg | 3.7% | Free (A,AU,BH,CA, CL,E,IL,J,JO, MA,MX,P,SG) | 25% |
| 2903.13.00 | 00 | Chloroform (Trichloromethane) | kg | 5.5% | Free (A,AU,BH,CA, CL,E,IL,J,JO, MA,MX,P) 2.8% (SG) | 32% |
| 2903.15.00 | 00 | Ethylene dichloride (ISO) (1,2-dichloroethane) | kg | 5.5% | Free (A,AU,BH,CA, CL,E,IL,J,JO, MA,MX,P,SG) | 88% |
| 2903.19.10 | 00 | Hexachloroethane and tetrachloroethane | kg | 3.7% | Free (A,AU,BH,CA, CL,E,IL,J,JO, MA,MX,P,SG) | 25% |
| 2903.19.60 | 10 | Methylchloroform (1,1,1-Trichloroethane) | kg | | | |
