| 2904.10.15 | 00 | Mixtures of 1,3,6-naphthalenetrisulfonic acid and 1,3,7-naphthalenetrisulfonic acid | kg | 5.5% | Free (A+,AU,BH, CA,CL,D,E,IL,J, JO,MA,MX, P,SG) | 15.4￠/kg + 40% |
| 2917.39.04 | 00 | 1,2,4-Benzenetricarboxylic acid, 1,2-dianhydride (Trimellitic anhydride); Phthalic acid; and 4-Sulfo-1,8-naphthalic anhydride | kg | 6.5% | Free (A+,AU,BH, CA,CL,D,E,IL,J, JO,MA,MX, P,SG) | 15.4￠/kg + 37% |
| 2921.29.00 | 30 | Diethylenetriamine | kg | | | |
| 2921.45.20 | 00 | 3-Amino-2,7-naphthalenedisulfonic acid; 4-Amino-1-naphthalenesulfonic acid, sodium salt; 5-Amino-1-naphthalenesulfonic acid (Laurent's acid); 8-Amino-2-naphthalenesulfonic acid and its salts; 7-Amino-1,3,6-naphthalenetrisulfonic acid; 8-Anilino-1-naphthalenesulfonic acid (Phenyl Peri acid) and its salts; and N-Ethyl-1-naphthylamine | kg | 5.8% | Free (A+,AU,BH, CA,CL,D,E,IL,J, JO,L,MA,MX, P,SG) | 15.4￠/kg + 39.5% |
| 2927.00.18 | 00 | 1-Naphthalenesulfonic acid, 6-diazo-5,6-dihydro-5-oxo, ester with phenyl(2,3,4-trihydroxyphenyl)methanone; 1-Naphthalenesulfonic acid, 3-diazo-3,4-dihydro-4- oxo-ar'-(1-methylethyl)[1,1'-biphenyl]-4-yl ester; 1-Napthanlenesulfonic acid, 6-diazo-5,6-dihydro-5- oxo-,(octahydro-4,7-methano-1H-indene-2,5-diyl)bis- (methylene) ester; and 1-Naphthalenesulfonic acid, 6-diazo-5,6-dihydro-5- oxo-, 4-benzoyl-1,2,3-benzenetriyl ester | kg | Free | | 15.4￠/kg + 50% |
| 8540.71 | | Microwave tubes (for example, magnetrons, klystrons, traveling wave tubes, carcinotrons), excluding grid-controlled tubes: | | | | |
| 8540.71 | | Magnetrons: | | | | |
