| 2930.90.46 | 00 | Acids: | | | | |
| 2930.90.46 | 00 | dl-Hydroxy analogue of dl-methionine | kg | Free | | 25% |
| 2930.90.49 | 10 | Thioglycolic acid | kg | | | |
| 2930.90.49 | 20 | Mercaptocarboxylic acids | kg | | | |
| 2930.90.71 | 00 | Dibutylthiourea | kg | Free | | 25% |
| 2930.90.91 | 07 | O,O-Diethyl S-[2-(diethylamino)- ethyl]phosphorothioate and its alkylated or protonated salts; and Thiodiglycol (INN) (bis(2-hydroxy- ethyl) sulfide) | kg | | | |
| 2930.90.91 | 10 | Cysteine hydrochloride | kg | | | |
| 2930.90.91 | 20 | Isooctyl thioglycolate | kg | | | |
| 2930.90.91 | 23 | N,N-Dialkyl (methyl, ethyl, n-propyl or isopropyl)aminoethane-2-thiols and their protonated salts | kg | | | |
| 2930.90.91 | 25 | Other compounds containing a phosphorus atom to which is bonded one methyl, ethyl, n-propyl or isopropyl group, but no other carbon atoms Other: | kg | | | |
| 2930.90.91 | 30 | Products used principally for rubber processing | kg | | | |
| 2931.00 | | Other organo-inorganic compounds: | | | | |
| 2931.00.05 | 00 | Aromatic: | | | | |
| 2931.00.05 | 00 | Diphenyldichlorosilane; and Phenyltrichlorosilane | kg | Free | | 15.4￠/kg + 68.5% |
| 2931.00.10 | 00 | 4,4'-Diphenylbisphosphonous acid, di(2',2",4',4"-di-tert-butyl)phenyl ester | kg | 6.5% | Free (A+,AU,BH, CA,CL,D,E,IL,J, JO,MA,MX, P,SG) | 15.4￠/kg + 40% |
| 2931.00.15 | 00 | Sodium tetraphenylboron | kg | 5.8% | Free (A+,AU,BH, CA,CL,D,E,IL,J, JO,MA,MX, P,SG) | 15.4￠/kg + 40% |
| 2931.00.26 | 00 | Pesticides | kg | 6.5% | Free (A,AU,BH,CA, CL,E,IL,J,JO, MA,MX, P,SG) | 15.4￠/kg + 40% |
| 2931.00.30 | 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 + 68.5% |
| 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 | 21 | Dibutyltin oxide | kg | | | |
| 2931.00.90 | 25 | Tetrabutyltin | kg | | | |
| 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: | | | | |
