| 2711.14.00 | | Ethylene, propylene, butylene and butadiene | | Free | | Free |
| 2711.14.00 | 30 | Butylene | kg | | | |
| 2901.23.00 | 00 | Butene (Butylene) and isomers thereof | kg | Free | | Free |
| 2903.19.30 | 00 | sec-Butyl chloride | kg | Free | | 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% |
| 2905.14.10 | 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 | | | |
| 2905.39.10 | 00 | Butylene glycol | kg | 5.5% | Free (A,AU,BH,CA, CL,E,IL,J,JO, MA,MX, P,SG) | 51% |
| 2907.19.61 | 00 | 2-tert-Butylethylphenol; 6-tert-Butyl-2,4-xylenol; and Xylenols and their salts | kg | Free | | 15.4￠/kg + 44% |
| 2907.29.25 | 00 | tert-Butylhydroquinone | kg | 5.5% | Free (A,AU,BH,CA, CL,E,IL,J,JO, MA,MX, P,SG) | 15.4￠/kg + 44% |
| 2908.99.40 | 00 | Dinitrobutylphenol and its salts | kg | 5.5% | Free (A,AU,BH,CA, CL,E,IL,J,JO, MA,MX,P,SG) | 15.4￠/kg + 48.5% |
| 2909.19.14 | 00 | Methyl tertiary-butyl ether (MTBE) | kg | 5.5% | Free (A*,AU,BH, CA,CL,E,IL,J,JO, MA,MX, P,SG) | 37% |
| 2909.30.10 | 00 | 6-tert-Butyl-3-methyl-2,4-dinitroanisole (Musk ambrette) 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% |
| 2909.43.00 | 00 | Monobutyl ethers of ethylene glycol or of diethylene glycol | kg | 5.5% | Free (A,AU,BH,CA, CL,E,IL,J,JO, MA,MX,P,SG) | 54.5% |
| 2910.90.10 | 00 | Butylene oxide | kg | 4.6% | Free (A,AU,BH,CA, CL,E,IL,J,JO, K,MA,MX, P,SG) | 46% |
| 2914.13.00 | 00 | 4-Methylpentan-2-one (Methyl isobutyl ketone) | kg | 4% | Free (A*,AU,BH, CA,CL,E,IL,J,JO, MA,MX,P,SG) | 20% |
| 2914.70.10 | 00 | 2,3-Dichloro-1,4-naphthoquinone; 1,8-Dihydroxy-4,5-dinitroanthraquinone; and 4-tert-Butyl-2,6-dimethyl-3,5- dinitroacetophenone (Musk ketone) and other artificial musks | kg | 5.5% | Free (A,AU,BH,CA, CL,E,IL,J,JO, K,L,MA,MX, P,SG) | 15.4￠/kg + 52% |
| 2915.33.00 | 00 | n-Butyl acetate | kg | 5.5% | Free (A,AU,BH,CA, CL,E,IL,J,JO, MA,MX, P) 2.8% (SG) | 40% |
| 2915.39.70 | 00 | Isobutyl acetate | kg | 5.5% | Free (A,AU,BH,CA, CL,E,IL,J,JO, MA,MX,P) 2.8% (SG) | 40% |
| 2916.12.50 | 30 | Butyl acrylate | kg | | | |
| 2916.39.03 | 00 | Benzoic anhydride; tert-Butyl peroxybenzoate; p-Nitrobenzoyl chloride; 2-Nitro-m-toluic acid; and 3-Nitro-o-toluic acid | kg | 6.5% | Free (A+,AU,BH, CA,CL,D,E,IL,J, JO,MA,MX, P,SG) | 15.4￠/kg + 40.5% |
| 2917.34.01 | 10 | Dibutyl orthophthalate | kg | | | |
| 2918.99.05 | 00 | p-Anisic acid; Clofibrate; 1,6-Hexanediol bis(3,5-dibutyl-4-hydroxy- phenyl)propionate; and 3-Phenoxybenzoic acid | kg | 5.8% | Free (A+,AU,BH, CA,CL,D,E,IL,J, JO,K,MA,MX, P,SG) | 15.4￠/kg + 40% |
| 2921.19.11 | 00 | Mono-, di- and triethylamines; mono-, di-, and tri-(propyl- and butyl-)monoamines; salts of any of the foregoing | kg | 3.7% | Free (A,AU,BH,CA, CL,E,IL,J,JO, K,MA,MX, P,SG) | 25% |
