| 2931.00.70 | 00 | N,N'-Bis(trimethylsilyl)urea; 3-(Hydroxymethylphosphinyl)-1-propanoic acid, 2-hydroxyethyl ester; and 2-Phosphonobutane-1,2,4-tricarboxylic acid and its salts | kg | Free | | 25% |
| 2931.00.90 | 10 | Organo-silicon compounds | kg | | | |
| 2931.00.90 | 21 | Organo-tin compounds: | | | | |
| 2931.00.90 | 25 | Tetrabutyltin | kg | | | |
| 2931.00.90 | 41 | Organo-phosphorus compounds: | | | | |
| 2931.00.90 | 41 | Containing a phosphorus atom to which which is bonded one methyl, ethyl, n-propyl or isopropyl group, but no other carbon atoms | kg | | | |
| 2932 | | Heterocyclic compounds with oxygen hetero-atom(s) only: | | | | |
| 2932.11.00 | 00 | Compounds containing an unfused furan ring (whether or not hydrogenated) in the structure: | | | | |
| 2932.11.00 | 00 | Tetrahydrofuran | kg | 3.7% | Free (A,AU,BH,CA, CL,E,IL,J,JO, MA,MX, P,SG) | 25% |
| 2932.12.00 | 00 | 2-Furaldehyde (Furfuraldehyde) | kg | Free | | Free |
| 2932.13.00 | 00 | Furfuryl alcohol and tetrahydrofurfuryl alcohol | kg | 3.7% | Free (A,AU,BH,CA, CL,E,IL,J,JO, MA,MX, P,SG) | 25% |
| 2932.19.10 | 00 | Aromatic | kg | 6.5% | Free (A+,AU,BH, CA,CL,D,E,IL,J, JO,K,MA,MX, P,SG) | 25% |
| 2932.21.00 | 00 | Lactones: | | | | |
| 2932.21.00 | 00 | Coumarin, methylcoumarins and ethylcoumarins | kg | 6.5% | Free (A,AU,BH,CA, CL,E,IL,J,JO, K,MA,MX,P) 3.4% (SG) | 15.4¢/kg + 48% |
| 2932.29 | | Other lactones: | | | | |
| 2932.29.10 | 00 | Aromatic: | | | | |
| 2932.29.25 | 00 | 4-Hydroxycoumarin | kg | 6.5% | Free (A,AU,BH,CA, CL,E,IL,J,JO, MA,MX,P) 0.2¢/kg + 3.1% (SG) | 15.4¢/kg + 52% |
| 2932.29.30 | 00 | Products described in additional U.S. note 3 to section VI | kg | 6.5% | Free (A+,AU,BH, CA,CL,D,E,IL,J, JO,K,MA,MX, P) 2.9% (SG) | 15.4¢/kg + 53.5% |
| 2932.29.50 | 20 | Glucono-δ-lactone | kg | | | |
| 2932.29.50 | 30 | Sodium erythorbate (Sodium isoascorbate) | kg | | | |
| 2932.29.50 | 10 | Butyrolactone | kg | | | |
| 2932.91.00 | 00 | Isosafrole | kg | 6.5% | Free (A+,AU,BH, CA,CL,D,E,IL,J, JO,MA,MX,P) 2.9% (SG) | 15.4¢/kg + 52% |
| 2932.92.00 | 00 | 1-(1,3-Benzodioxol-5-yl)propan-2-one | kg | 6.5% | Free (A+,AU,BH, CA,CL,D,E,IL,J, JO,MA,MX,P) 2.9% (SG) | 15.4¢/kg + 52% |
| 2932.93.00 | 00 | Piperonal (heliotropin) | kg | 4.8% | Free (A+,AU,BH, CA,CL,D,E,IL,J, JO,MA,MX, P,SG) | 45% |
| 2932.94.00 | 00 | Safrole | kg | 6.5% | Free (A,AU,BH,CA, CL,E,IL,J,JO, MA,MX, P,SG) | 45% |
Harmonized Tariff Schedule of the United States inquiry: 39ÃÂÃÂÃÂÃÂÃÂÃÂÃÂãÃÂÃÂÃÂÃÂÃÂÃÂÃÂÃÂÃÂÃÂÃÂÃÂÃÂÃÂÃÂÃÂ=
