| 2710.19.10 | 13 | Containing more than 15 ppm but not more than 500 ppm of sulfur | bbl | | | |
| 2710.19.10 | 15 | Having a Saybolt Universal viscosity at 37.8 degrees C of 45 seconds or more but not more than 125 seconds (No. 4-type fuel oils): | | | | |
| 2711.13.00 | | Butanes | | Free | | Free |
| 2711.13.00 | 10 | Butanes with a purity of 90 liquid volume percent or more, but less than 95 liquid volume percent | bbl | | | |
| 2711.14.00 | | Ethylene, propylene, butylene and butadiene | | Free | | Free |
| 2711.14.00 | 30 | Butylene | kg | | | |
| 2711.14.00 | 40 | Butadiene | kg | | | |
| 2711.29.00 | 20 | Butanes: | | | | |
| 2711.29.00 | 20 | Butanes with a purity of 90 liquid volume percent or more, but less than 95 liquid volume percent | bbl | | | |
| 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% |
| 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% |
| 2901.10.10 | 00 | Ethane and butane | kg | Free | | Free |
| 2901.23.00 | 00 | Butene (Butylene) and isomers thereof | kg | Free | | Free |
| 2901.24 | | Buta-1,3-diene and isoprene: | | | | |
| 2901.24.10 | 00 | Buta-1,3-diene | kg | Free | | Free |
| 2903.19.05 | 00 | 1,2-Dichloropropane (Propylene dichloride) and dichlorobutanes | kg | 5.1% | Free (A,AU,BH,CA, CL,E,IL,J,JO, MA,MX,P,SG) | 33.3% |
| 2903.19.30 | 00 | sec-Butyl chloride | kg | Free | | 114.5% |
| 2903.59.30 | 00 | Chlorinated, but not otherwise halogenated | kg | 5.5% | Free (A,AU,BH,CA, CL,E,IL,J,JO, MA,MX,P) 3% (SG) | 114.5% |
| 2904.20.30 | 00 | 5-tert-Butyl-2,4,6-trinitro-m-xylene (Musk xylol) and other artificial musks | kg | 5.5% | Free (A,AU,BH,CA, CL,E,IL,J,JO, MA,MX,P,SG) | 15.4￠/kg + 57% |
| 2905.13.00 | 00 | Butan-1-ol (n-Butyl alcohol) | kg | 5.5% | Free (A*,AU,BH, CA,CL,E,IL,J,JO, MA,MX, P,SG) | 50.5% |
| 2905.14 | | Other butanols: | | | | |
| 2905.14.10 | 00 | tert-Butyl alcohol, having a purity of less than 99 percent by weight | kg | Free | | 50.5% |
| 2905.14.50 | 10 | 2-Methylpropan-1-ol (Isobutyl alcohol) | kg | | | |
| 2905.19.90 | 05 | 3,3-Dimethylbutan-2-ol (pinacolyl alcohol) | kg | | | |
| 2905.39.10 | 00 | Butylene glycol | kg | 5.5% | Free (A,AU,BH,CA, CL,E,IL,J,JO, MA,MX, P,SG) | 51% |
