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Harmonized Tariff Schedule (2026 HTS Revision 13 (07/28/2026))

Search Key:4,4 Piperidinediol hydrochloride

Heading Duty(general) Duty(china) Article Description Compare Code
2904.99.35.00 5.5% The duty provided in the applicable subheading + 25% 4,4'-Dinitrostilbene-2,2'-disulfonic acid
Other:
Aromatic:
--
2906.19.10.00 Free The duty provided in the applicable subheading + 25% 4,4'-Isopropylidenedicyclohexanol; and mixtures containing not less than 90 percent by weight of stereoisomers of 2-isopropyl- 5-methylcyclohexanol, but containing not more than 30 percent by weight of any one such stereoisomer vs-2904993500
2907.23.00.00 5.5% The duty provided in the applicable subheading + 25% 4,4'-Isopropylidenediphenol (Bisphenol A, Diphenylolpropane) and its salts vs-2906191000
2917.39.12.00 Free The duty provided in the applicable subheading + 25% 4,4'-(Hexafluoroisopropylidene)bis(phthalic anhydride) vs-2907230000
2918.29.39.00 Free The duty provided in the applicable subheading + 25% 4,4-Bis(4-hydroxyphenyl) pentanoic acid; and 3,5,6-Trichlorosalicylic acid
Other:
vs-2917391200
2921.12.01.00 Free The duty provided in the applicable subheading + 7.5% 2-(N,N-Dimethylamino)ethyl chloride hydrochloride vs-2918293900
2922.19.20.00 5.8% 4,4'-Bis(dimethylamino) benzhydrol (Michler's hydrol); 5'-[3'-(Dimethylamino) propyl]-10',11'- dihydro-5H'-dibenzo [a,b] cyclohept- en-5'-ol (Dibenzcarbinol); and 1-(p-Nitrophenyl)-2-amino-1,3- propanediol vs-2921120100
2925.29.10.00 6.5% The duty provided in the applicable subheading + 25% N'-(4-Chloro-o-tolyl)-N,N- diemthylformamidine; Bunamidine hydrochloride; and Pentamidine vs-2922192000
2926.30 Fenproporex (INN) and its salts; Methadone (INN) intermediate (4-cyano-2-dimethylamino-4,4- diphenylbutane): vs-2925291000
2929.90.05.00 Free The duty provided in the applicable subheading + 25% 2,2'-Bis(4-cyanatophenyl)-1,1,1,3,3,3-hexafluoro- propane; 2,2-Bis((4-cyanatophenyl) propane; 1,1-Ethylidenebis (phenyl-4-cyanate); 4,4'-Methylene bis(2,6-dimethylphenylcyanate); and 1,3-Phenylenebis (1-methylethylidenebis) cyanic acid, 1,4-phenylene ester
Other:
Aromatic:
vs-292630
2930.90.26.00 Free The duty provided in the applicable subheading + 25% 3-(4'-Aminobenzamido)phenyl-ß-hydroxy- ethylsulfone; 2-[(4-Aminophenyl)sulfonyl] ethanol, hydrogen sulfate ester; Diphenylthiourea;N,N'-(Dithiodi-2,1-phenylene) bisbenzamide; Pentachlorothiophenol; and 4,4'-Thiodiphenyl cyanate vs-2929900500
2931.90.10.00 6.5% 4,4'-Diphenylbisphosphonous acid, di(2',2",4',4"-di-tert-butyl)phenyl ester vs-2930902600
2933.39.20.00 5.8% p-Chloro-2-benzylpyridine; 4-Chloro-1-methylpiperidine hydrochloride; 1,4-Dimethyl-6-hydroxy-3-cyanopyrid-2-one; Di-(2,2,6,6-tetramethyl-4-hydroxy- piperidine)sebacate; 2-Methyl-5-ethylpyridine; 4-Phenylpropylpyridine; α-Phenylpyridylacetic acid, methyl ester; Picolinic acid; 2-Pyridinecarboxaldehyde; and 2,5-Pyridinedicarboxylic acid
Other:
Pesticides
vs-2931901000
2934.10.70.00 Free The duty provided in the applicable subheading + 15% 4,5-Dichloro-2-n-octyl-4-isothiazolin-3-one; Ethyl 2-(2-aminothiazol-4-yl)-2- hydroxyiminoacetate; Ethyl 2-(2-aminothiazol-4-yl)-2- methoxyiminoacetate; 2-Methyl-4-isothiazolin- 3-one; 2-n-Octyl-4-isothiazolin-3-one; and Thiothiamine hydrochloride vs-2933392000
2937.90.10.00 Free Epinephrine hydrochloride vs-2934107000
3204.12.20.00 6.5% The duty provided in the applicable subheading + 25% Acid black 61, 63, 76, 83, 117, 127, 131, 132, 139, 164, 170, 177, 183, 188, 194, 199, 211; Acid blue 1, 47, 60, 61, 66, 72, 81, 82, 83, 90, 98, 102, 112, 123, 126, 127:1, 130, 133, 140, 142, 147, 151, 172, 175, 182, 185, 193, 204, 205, 208, 209, 221, 225, 229, 239, 242, 247, 250, 252, 254, 260, 261, 264, 266, 268, 280, 284, 288, 290, 296, 312, 317, 318; Acid brown 10, 11, 12, 30, 33, 45, 50, 52, 68, 83, 85, 100, 101, 103, 104, 105, 106, 126, 127, 147, 158, 160, 161, 162, 163, 165, 180, 191, 224, 226, 227, 235, 237, 239, 248, 266, 267, 270, 276, 282, 283, 289, 290, 291, 298, 304, 311, 314, 315, 321, 322, 324, 325, 330, 331, 355, 357, 358, 359, 360, 361, 362, 384; Acid green 9, 26, 28, 41, 43, 60, 68, 70, 71, 73, 80, 82, 84, 89, 92, 93, 94, 108, 112; Acid orange 3, 19, 28, 33, 43, 47, 61, 86, 89, 92, 94, 102, 107, 126, 135, 142, 144; Acid red 37, 42, 48, 52, 57, 58, 92, 111, 118, 127, 131, 138, 143, 155, 161, 183, 199, 213, 215, 216, 226, 227, 228, 249, 252, 257, 259, 260, 261, 263, 274, 281, 282, 283, 301, 303, 310, 315, 330, 331, 332, 336, 347, 357, 359, 360, 361, 362, 380, 392, 394, 396; Acid violet 9, 34, 36, 47, 66, 75, 80, 90, 103, 109, 111, 121; Acid yellow 7, 35, 64, 70, 72, 96, 98, 111, 127, 136, 155, 167, 183, 184, 194, 195, 199, 218, 221, 223, 227; Copper phthalocyanine-3,3',4,4'-tetrasulfonic acid; Copper phthalocyanine-4,4ʻ,4'',4'''-tetrasulfonic acid; Dyes containing, by weight--24.2 percent Acid Yellow 135, 21.7 percent Acid Orange 51, and 54.1 percent Acid Blue 113; Dyes containing, by weight-- 10.1 percent Acid Yellow 64, 11.6 percent Acid Orange 51, 26.3 percent Acid Blue 113, 50.5 percent Acid Black 172, and 1.5 percent Acid Green 25 vs-2937901000
3911.90.35.00 Free The duty provided in the applicable subheading + 25% 1,1'-Bis(methylenedi-4,1-phenylene)- 1H-pyrrole-2,5-dione, copolymer with 4,4'-methylenebis(benzeneamine); and Hydrocarbon novolac cyanate ester vs-3204122000
9902.02.28 Free 4,4'-(1,1-Butanediyl)bis[5-methyl-2-(2-methyl-2-propanyl)phenol] (CAS No. 85-60-9) (provided for in subheading 2907.29.90) vs-3911903500
2907.29.15.00 Free The duty provided in the applicable subheading + 25% 4,4'-Biphenol vs-99020228
2921.13.00.00 Free The duty provided in the applicable subheading + 25% 2-(N,N-Diethylamino)ethyl chloride hydrochloride vs-2907291500