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HTS 2935Sulfonamides

Rate lines19

DescriptionCalculate
2935.10.00.00N-Methyl perfluorooctane sulfonamideGeneral 6.5% · Special Free (A+,AU,BH,CL,CO,D, E,IL, JO, KR,MA,OM,P, PA,PE,S,SG) · Column 2 15.4¢/kg + 57.5% · kg
2935.20.00.00N-Ethyl perfluorooctane sulfonamideGeneral 6.5% · Special Free (A+,AU,BH,CL,CO,D, E,IL, JO, KR,MA,OM,P, PA,PE,S,SG) · Column 2 15.4¢/kg + 57.5% · kg
2935.30.00.00N-Ethyl -N-(2-hydroxyethyl)perfluorooctane sulfonamideGeneral 6.5% · Special Free (A+,AU,BH,CL,CO,D, E,IL, JO, KR,MA,OM,P, PA,PE,S,SG) · Column 2 15.4¢/kg + 57.5% · kg
2935.40.00.00N-(2-hydroxyethyl)-N-methyl perfluorooctane sulfonamideGeneral 6.5% · Special Free (A+,AU,BH,CL,CO,D, E,IL, JO, KR,MA,OM,P, PA,PE,S,SG) · Column 2 15.4¢/kg + 57.5% · kg
2935.50.00.00Other perfluorooctane sulfonamidesGeneral 6.5% · Special Free (A+,AU,BH,CL,CO,D, E,IL, JO, KR,MA,OM,P, PA,PE,S,SG) · Column 2 15.4¢/kg + 57.5% · kg
2935.90Other
2935.90.06.004-Amino-6-chloro-m-benzenedisulfonamide and Methyl-4-aminobenzenesulfonylcarbamate (Asulam)General 6.5% · Special Free (A,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG) · Column 2 15.4¢/kg + 41% · kg
2935.90.10.002-Amino-N-ethylbenzenesulfonanilide; 5-Amino-α,α,α-trifluorotoluene-2,4-disulfonamide; Benzenesulfonamide; Benzenesulfonyl hydrazide; 2-Chloro-4-amino-5-hydroxybenzenesulfonamide; 2,5-Dimethoxysulfanilanilide; and MetanilamideGeneral 6.5% · Special Free (A+,AU,BH,CL,CO,D,E,IL,JO,KR,L,MA,OM,P,PA,PE,S,SG) · Column 2 15.4¢/kg + 41% · kg
2935.90.13.00(5‐[2‐Chloro‐4‐ (trifluoromethyl)phenoxy]‐N‐ (methylsulfonyl)‐2‐nitrobenzamide) (Fomesafen); N‐(2,6‐Dichloro‐3‐ methylphenyl)‐5‐ amino‐1,3,4‐triazole‐2‐sulfonamide; 2,4‐Dichloro‐5‐ sulfamoylbenzoic acid; N‐Ethyl‐o‐ toluenesulfonamide; N‐Ethyl‐p‐toluenesulfonamide; 7-(Hexadecylsulfonylamino) ‐1H‐indole; Methyl 5‐{[(4,6‐dimethoxy‐2‐pyrimidinyl)amino]‐ carbonylaminosulfonyl} ‐3‐chloro‐1‐methyl‐1H‐pyrazole‐4‐carboxylate (Halosulfuron methyl); and Mixtures of ortho‐ and para-toluenesulfonamidesGeneral Free · Column 2 15.4¢/kg + 57.5% · kg
2935.90.15.00o-ToluenesulfonamideGeneral 6.5% · Special Free (A+,AU,BH,CL,CO,D, E,IL, JO, KR,MA,OM,P, PA,PE,S,SG) · Column 2 15.4¢/kg + 57.5% · kg
Other
2935.90.20.00Fast color bases and fast color saltsGeneral 6.5% · Special Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) · Column 2 15.4¢/kg + 54.5% · kg
Drugs
Anti-infective agents
2935.90.29.00AcetylsulfaguanidineGeneral Free · Column 2 15.4¢/kg + 96% · kg
2935.90.30.00SulfamethazineGeneral Free · Column 2 15.4¢/kg + 80% · kg
2935.90.32.00Acetylsulfisoxazole; Sulfacetamide, sodium; and Sulfamethazine, sodiumGeneral 6.5% · Special Free (A,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG) · Column 2 15.4¢/kg + 96% · kg
2935.90.33.00Sulfathiazole and Sulfathiazole, sodiumGeneral Free · Column 2 15.4¢/kg + 133% · kg
2935.90.42.00Salicylazosulfapyridine (Sulfasalazine); Sulfadiazine; Sulfaguanidine; Sulfamerizine; and SulfapyridineGeneral Free · Column 2 15.4¢/kg + 128.5% · kg
2935.90.48.00OtherGeneral 6.5% · Special Free (A+,AU,BH,CL,CO,D, E,IL,JO,K, KR,MA,OM,P, PA,PE,S,SG) · Column 2 15.4¢/kg + 96% · kg
2935.90.60.00OtherGeneral 6.5% · Special Free (A+,AU,BH,CL,CO,D, E,IL, JO,K, KR,MA,OM,P, PA,PE,S,SG) · Column 2 15.4¢/kg + 45% · kg
Other
2935.90.75.00Products described in additional U.S. note 3 to section VIGeneral 6.5% · Special Free (A+,AU,BH,CL,CO,D, E,IL,JO,K, KR,L,MA,OM,P, PA,PE,S,SG) · Column 2 15.4¢/kg + 57.5% · kg
2935.90.95.00OtherGeneral 6.5% · Special Free (A+,AU,BH,CL,CO,D, E,IL,JO,K, KR,MA,OM,P, PA,PE,S,SG) · Column 2 15.4¢/kg + 57.5% · kg
XI. PROVITAMINS, VITAMINS AND HORMONES

Duty by country of origin

Rate lineIreland53.88% of importsChina9.76% of importsIndia9.2% of importsSingapore7.71% of importsSwitzerland3.82% of importsSpain3.1% of importsPortugal2.62% of importsBelgium1.77% of importsJapan1.58% of importsGermany1.28% of imports
2935.10.00.00N-Methyl perfluorooctane sulfonamide10%9903.05.3919%9903.05.3116.5%9903.05.4419%9903.05.6812.5%9903.05.7410%9903.05.3910%9903.05.3910%9903.05.3912.5%9903.05.4910%9903.05.39
2935.20.00.00N-Ethyl perfluorooctane sulfonamide10%9903.05.3919%9903.05.3116.5%9903.05.4419%9903.05.6812.5%9903.05.7410%9903.05.3910%9903.05.3910%9903.05.3912.5%9903.05.4910%9903.05.39
2935.30.00.00N-Ethyl -N-(2-hydroxyethyl)perfluorooctane sulfonamide10%9903.05.3919%9903.05.3116.5%9903.05.4419%9903.05.6812.5%9903.05.7410%9903.05.3910%9903.05.3910%9903.05.3912.5%9903.05.4910%9903.05.39
2935.40.00.00N-(2-hydroxyethyl)-N-methyl perfluorooctane sulfonamide10%9903.05.3919%9903.05.3116.5%9903.05.4419%9903.05.6812.5%9903.05.7410%9903.05.3910%9903.05.3910%9903.05.3912.5%9903.05.4910%9903.05.39
2935.50.00.00Other perfluorooctane sulfonamides10%9903.05.3919%9903.05.3116.5%9903.05.4419%9903.05.6812.5%9903.05.7410%9903.05.3910%9903.05.3910%9903.05.3912.5%9903.05.4910%9903.05.39
2935.90.06.004-Amino-6-chloro-m-benzenedisulfonamide and Methyl-4-aminobenzenesulfonylcarbamate (Asulam)10%9903.05.3919%9903.05.3116.5%9903.05.4419%9903.05.6812.5%9903.05.7410%9903.05.3910%9903.05.3910%9903.05.3912.5%9903.05.4910%9903.05.39
2935.90.10.002-Amino-N-ethylbenzenesulfonanilide; 5-Amino-α,α,α-trifluorotoluene-2,4-disulfonamide; Benzenesulfonamide; Benzenesulfonyl hydrazide; 2-Chloro-4-amino-5-hydroxybenzenesulfonamide; 2,5-Dimethoxysulfanilanilide; and Metanilamide10%9903.05.3919%9903.05.3116.5%9903.05.4419%9903.05.6812.5%9903.05.7410%9903.05.3910%9903.05.3910%9903.05.3912.5%9903.05.4910%9903.05.39
2935.90.13.00(5‐[2‐Chloro‐4‐ (trifluoromethyl)phenoxy]‐N‐ (methylsulfonyl)‐2‐nitrobenzamide) (Fomesafen); N‐(2,6‐Dichloro‐3‐ methylphenyl)‐5‐ amino‐1,3,4‐triazole‐2‐sulfonamide; 2,4‐Dichloro‐5‐ sulfamoylbenzoic acid; N‐Ethyl‐o‐ toluenesulfonamide; N‐Ethyl‐p‐toluenesulfonamide; 7-(Hexadecylsulfonylamino) ‐1H‐indole; Methyl 5‐{[(4,6‐dimethoxy‐2‐pyrimidinyl)amino]‐ carbonylaminosulfonyl} ‐3‐chloro‐1‐methyl‐1H‐pyrazole‐4‐carboxylate (Halosulfuron methyl); and Mixtures of ortho‐ and para-toluenesulfonamides10%9903.05.3912.5%9903.05.3110%9903.05.4412.5%9903.05.6812.5%9903.05.7410%9903.05.3910%9903.05.3910%9903.05.3912.5%9903.05.4910%9903.05.39
2935.90.15.00o-Toluenesulfonamide10%9903.05.3919%9903.05.3116.5%9903.05.4419%9903.05.6812.5%9903.05.7410%9903.05.3910%9903.05.3910%9903.05.3912.5%9903.05.4910%9903.05.39
2935.90.20.00Fast color bases and fast color salts10%9903.05.3919%9903.05.3116.5%9903.05.4419%9903.05.6812.5%9903.05.7410%9903.05.3910%9903.05.3910%9903.05.3912.5%9903.05.4910%9903.05.39
2935.90.29.00Acetylsulfaguanidine10%9903.05.3912.5%9903.05.3110%9903.05.4412.5%9903.05.6812.5%9903.05.7410%9903.05.3910%9903.05.3910%9903.05.3912.5%9903.05.4910%9903.05.39
2935.90.30.00Sulfamethazine10%9903.05.3912.5%9903.05.3110%9903.05.4412.5%9903.05.6812.5%9903.05.7410%9903.05.3910%9903.05.3910%9903.05.3912.5%9903.05.4910%9903.05.39
2935.90.32.00Acetylsulfisoxazole; Sulfacetamide, sodium; and Sulfamethazine, sodium10%9903.05.3919%9903.05.3116.5%9903.05.4419%9903.05.6812.5%9903.05.7410%9903.05.3910%9903.05.3910%9903.05.3912.5%9903.05.4910%9903.05.39
2935.90.33.00Sulfathiazole and Sulfathiazole, sodium10%9903.05.3912.5%9903.05.3110%9903.05.4412.5%9903.05.6812.5%9903.05.7410%9903.05.3910%9903.05.3910%9903.05.3912.5%9903.05.4910%9903.05.39
2935.90.42.00Salicylazosulfapyridine (Sulfasalazine); Sulfadiazine; Sulfaguanidine; Sulfamerizine; and Sulfapyridine10%9903.05.3912.5%9903.05.3110%9903.05.4412.5%9903.05.6812.5%9903.05.7410%9903.05.3910%9903.05.3910%9903.05.3912.5%9903.05.4910%9903.05.39
2935.90.48.00OtherVariesDepends on product factsFrom 19%9903.05.31Depends on product factsFrom 6.5%Depends on product factsFrom 19%9903.05.68Depends on product factsVariesDepends on product factsVariesDepends on product factsVariesDepends on product factsVariesDepends on product factsVariesDepends on product factsVariesDepends on product facts
2935.90.60.00OtherVariesDepends on product factsFrom 19%9903.05.31Depends on product factsFrom 6.5%Depends on product factsFrom 19%9903.05.68Depends on product factsVariesDepends on product factsVariesDepends on product factsVariesDepends on product factsVariesDepends on product factsVariesDepends on product factsVariesDepends on product facts
2935.90.75.00Products described in additional U.S. note 3 to section VI10%9903.05.3919%9903.05.3116.5%9903.05.4419%9903.05.6812.5%9903.05.7410%9903.05.3910%9903.05.3910%9903.05.3912.5%9903.05.4910%9903.05.39
2935.90.95.00Other10%9903.05.3919%9903.05.3116.5%9903.05.4419%9903.05.6812.5%9903.05.7410%9903.05.3910%9903.05.3910%9903.05.3912.5%9903.05.4910%9903.05.39
Total duty on a $10,000 ocean shipment entered 2026-10-13, before customs fees. Origins are the leading sources of US imports under this heading in 2025 (US Census Bureau).