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HTS 2931Other organo-inorganic compounds

Rate lines46

DescriptionCalculate
2931.10.00.00Tetramethyl lead and tetraethyl leadGeneral 3.7% · Special Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) · Column 2 25% · kg
2931.20.00.00Tributyltin compoundsGeneral 3.7% · Special Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) · Column 2 25% · kg
Non-halogenated organo-phosphorous derivatives
2931.41.00.00Dimethyl methylphosphonateGeneral 3.7% · Special Free (A,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG) · Column 2 25% · kg
2931.42.00.00Dimethyl propylphosphonateGeneral 3.7% · Special Free (A,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG) · Column 2 25% · kg
2931.43.00.00Diethyl ethylphosphonateGeneral 3.7% · Special Free (A,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG) · Column 2 25% · kg
2931.44.00.00Methylphosphonic acidGeneral 3.7% · Special Free (A,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG) · Column 2 25% · kg
2931.45.00.00Salt of methylphosphonic acid and (aminoiminomethyl)urea (1:1)General 3.7% · Special Free (A,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG) · Column 2 25% · kg
2931.46.00.002,4,6-Tripropyl-1,3,5,2,4,6-trioxatriphosphinane 2,4,6-trioxideGeneral 3.7% · Special Free (A,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG) · Column 2 25% · kg
2931.47.00.00(5-Ethyl-2-methyl-2-oxido-1,3,2-dioxaphosphinan-5-yl) methyl methyl methylphosphonateGeneral 3.7% · Special Free (A,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG) · Column 2 25% · kg
2931.48.00.003,9-Dimethyl-2,4,8,10-tetraoxa-3,9-diphosphaspiro [5.5] undecane 3,9-dioxideGeneral 3.7% · Special Free (A,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG) · Column 2 25% · kg
2931.49.00OtherGeneral 3.7% · Special Free (A,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG) · Column 2 25%
2931.49.00.05O-Alkyl (≤C10, including cycloalkyl) N,N-dialkyl (methyl, ethyl, n-propyl or isopropyl) phosphoramidocyanidatesGeneral 3.7% · Special Free (A,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG) · Column 2 25% · kg
2931.49.00.08[O-2-(Dialkyl (methyl, ethyl, n-propyl or isopropyl) amino)ethyl] hydrogen alkyl (methyl, ethyl, n-propyl or isopropyl) phosphonites and their O-alkyl (≤C10, including cycloalkyl) esters; alkylated or protonated salts thereofGeneral 3.7% · Special Free (A,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG) · Column 2 25% · kg
2931.49.00.102-Amino-4-[hydroxy(methyl)phosphonoyl] butanoic acid (glufosinate) and its salts and estersGeneral 3.7% · Special Free (A,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG) · Column 2 25% · kg
2931.49.00.15Butyl methylphosphinateGeneral 3.7% · Special Free (A,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG) · Column 2 25% · kg
2931.49.00.20N-(Phosphonomethyl) glycine (glyphosate) and its salts and estersGeneral 3.7% · Special Free (A,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG) · Column 2 25% · kg
2931.49.00.25Bis(1-methylpentyl) methylphosphonateGeneral 3.7% · Special Free (A,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG) · Column 2 25% · kg
OtherGeneral 3.7% · Special Free (A,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG) · Column 2 25%
2931.49.00.55Containing a phosphorus atom to which one methyl, ethyl, n-propyl or isopropyl group is bonded but no further carbon atomsGeneral 3.7% · Special Free (A,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG) · Column 2 25% · kg
2931.49.00.80OtherGeneral 3.7% · Special Free (A,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG) · Column 2 25% · kg
Halogenated organo-phosphorous derivatives
2931.51.00.00Methylphosphonic dichlorideGeneral 3.7% · Special Free (A,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG) · Column 2 25% · kg
2931.52.00.00Propylphosphonic dichlorideGeneral 3.7% · Special Free (A,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG) · Column 2 25% · kg
2931.53.00.00O-(3-chloropropyl) O-[4-nitro-3-(trifluoromethyl)phenyl] methylphosphonothionateGeneral 3.7% · Special Free (A,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG) · Column 2 25% · kg
2931.54.00.00Trichlorfon (ISO)General 3.7% · Special Free (A,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG) · Column 2 25% · kg
2931.59.00OtherGeneral 3.7% · Special Free (A,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG) · Column 2 25%
2931.59.00.10O-Alkyl (≤ C10, including cycloalkyl) alkyl (methyl, ethyl,n- propyl or isopropyl) phosphonofluoridatesGeneral 3.7% · Special Free (A,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG) · Column 2 25% · kg
2931.59.00.15Alkyl (methyl, ethyl, n-propyl or isopropyl) phosphonyl difluoridesGeneral 3.7% · Special Free (A,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG) · Column 2 25% · kg
2931.59.00.20O-Isopropyl methylphosphonochloridateGeneral 3.7% · Special Free (A,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG) · Column 2 25% · kg
2931.59.00.25O-Pinacolyl methylphosphonochloridateGeneral 3.7% · Special Free (A,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG) · Column 2 25% · kg
2931.59.00.30P-Alkyl (≤ C10, incl. cycloalkyl) N-(1-(dialkyl (≤ C10, incl. cycloalkyl) amino))alkylidene (H or ≤C10, incl. cycloalkyl) phosphonamidic fluorides and corresponding alkylated or protonated saltsGeneral 3.7% · Special Free (A,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG) · Column 2 25% · kg
2931.59.00.35Methyl- bis(diethylamino)methylene)phosphonamidofluoridateGeneral 3.7% · Special Free (A,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG) · Column 2 25% · kg
2931.59.00.60Containing a phosphorus atom to which one methyl, ethyl, n-propyl or isopropyl group is bonded but no further carbon atomsGeneral 3.7% · Special Free (A,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG) · Column 2 25% · kg
2931.59.00.80OtherGeneral 3.7% · Special Free (A,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG) · Column 2 25% · kg
2931.90Other
Aromatic
2931.90.05.00Diphenyldichlorosilane; and phenyltrichlorosilaneGeneral Free · Column 2 15.4¢/kg + 68.5% · kg
2931.90.10.004,4'-Diphenylbisphosphonous acid, di(2',2",4',4"-di-tert-butyl)phenyl esterGeneral 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 + 40% · kg
2931.90.15.00Sodium tetraphenylboronGeneral 5.8% · Special Free (A+, AU, BH, CL, CO, D, E, IL, JO, KR, MA, OM, P, PA, PE, S, SG) · Column 2 15.4¢/kg + 40% · kg
Other
2931.90.22.00DrugsGeneral 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 + 67.5% · kg
2931.90.26.00PesticidesGeneral 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 + 40% · kg
Other
2931.90.30.00Products 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,MA,OM,P, PA,PE,S,SG) · Column 2 15.4¢/kg + 68.5% · kg
2931.90.60.00OtherGeneral 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 + 68.5% · kg
Other
2931.90.70.00N,N'-Bis(trimethylsilyl) urea; 3-(Hydroxymethylphosphinyl)-1-propanoic acid, 2-hydroxyethyl ester; and 2-Phosphonobutane-1,2,4-tricarboxylic acid and its saltsGeneral Free · Column 2 25% · kg
2931.90.90OtherGeneral 3.7% · Special Free (A*,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG) · Column 2 25%
2931.90.90.10Organo-silicon compoundsGeneral 3.7% · Special Free (A*,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG) · Column 2 25% · kg
Organo-tin compoundsGeneral 3.7% · Special Free (A*,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG) · Column 2 25%
2931.90.90.21Dibutyltin oxideGeneral 3.7% · Special Free (A*,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG) · Column 2 25% · kg
2931.90.90.25TetrabutyltinGeneral 3.7% · Special Free (A*,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG) · Column 2 25% · kg
2931.90.90.29OtherGeneral 3.7% · Special Free (A*,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG) · Column 2 25% · kg
2931.90.90.302-ChlorovinyldichloroarsineGeneral 3.7% · Special Free (A*,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG) · Column 2 25% · kg
2931.90.90.35Bis(2-chlorovinyl)chloroarsineGeneral 3.7% · Special Free (A*,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG) · Column 2 25% · kg
2931.90.90.40Tris(2-chlorovinyl)arsineGeneral 3.7% · Special Free (A*,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG) · Column 2 25% · kg
2931.90.90.52OtherGeneral 3.7% · Special Free (A*,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG) · Column 2 25% · kg
2026 HTS Revision 21 (October 9, 2026)

Duty by country of origin

Rate lineChina66.38% of importsGermany7.38% of importsIndia6.07% of importsJapan4.05% of importsUnited Kingdom2.71% of importsThailand2.38% of importsFrance1.99% of importsCanada1.74% of importsSouth Korea1.57% of importsItaly1.02% of imports
2931.10.00.00Tetramethyl lead and tetraethyl lead41.2%9903.05.319903.88.0310%9903.05.3913.7%9903.05.4412.5%9903.05.4913.7%9903.05.8116.2%9903.05.7710%9903.05.3913.7%9903.05.2912.5%9903.05.7110%9903.05.39
2931.20.00.00Tributyltin compounds41.2%9903.05.319903.88.0310%9903.05.3913.7%9903.05.4412.5%9903.05.4913.7%9903.05.8116.2%9903.05.7710%9903.05.3913.7%9903.05.2912.5%9903.05.7110%9903.05.39
2931.41.00.00Dimethyl methylphosphonate41.2%9903.05.319903.88.0310%9903.05.3913.7%9903.05.4412.5%9903.05.4913.7%9903.05.8116.2%9903.05.7710%9903.05.3913.7%9903.05.2912.5%9903.05.7110%9903.05.39
2931.42.00.00Dimethyl propylphosphonate41.2%9903.05.319903.88.0310%9903.05.3913.7%9903.05.4412.5%9903.05.4913.7%9903.05.8116.2%9903.05.7710%9903.05.3913.7%9903.05.2912.5%9903.05.7110%9903.05.39
2931.43.00.00Diethyl ethylphosphonate23.7%9903.05.319903.88.1510%9903.05.3913.7%9903.05.4412.5%9903.05.4913.7%9903.05.8116.2%9903.05.7710%9903.05.3913.7%9903.05.2912.5%9903.05.7110%9903.05.39
2931.44.00.00Methylphosphonic acid16.2%9903.05.3110%9903.05.3913.7%9903.05.4412.5%9903.05.4913.7%9903.05.8116.2%9903.05.7710%9903.05.3913.7%9903.05.2912.5%9903.05.7110%9903.05.39
2931.45.00.00Salt of methylphosphonic acid and (aminoiminomethyl)urea (1:1)41.2%9903.05.319903.88.0310%9903.05.3913.7%9903.05.4412.5%9903.05.4913.7%9903.05.8116.2%9903.05.7710%9903.05.3913.7%9903.05.2912.5%9903.05.7110%9903.05.39
2931.46.00.002,4,6-Tripropyl-1,3,5,2,4,6-trioxatriphosphinane 2,4,6-trioxide41.2%9903.05.319903.88.0310%9903.05.3913.7%9903.05.4412.5%9903.05.4913.7%9903.05.8116.2%9903.05.7710%9903.05.3913.7%9903.05.2912.5%9903.05.7110%9903.05.39
2931.47.00.00(5-Ethyl-2-methyl-2-oxido-1,3,2-dioxaphosphinan-5-yl) methyl methyl methylphosphonate41.2%9903.05.319903.88.0310%9903.05.3913.7%9903.05.4412.5%9903.05.4913.7%9903.05.8116.2%9903.05.7710%9903.05.3913.7%9903.05.2912.5%9903.05.7110%9903.05.39
2931.48.00.003,9-Dimethyl-2,4,8,10-tetraoxa-3,9-diphosphaspiro [5.5] undecane 3,9-dioxide16.2%9903.05.3110%9903.05.3913.7%9903.05.4412.5%9903.05.4913.7%9903.05.8116.2%9903.05.7710%9903.05.3913.7%9903.05.2912.5%9903.05.7110%9903.05.39
2931.49.00.05O-Alkyl (≤C10, including cycloalkyl) N,N-dialkyl (methyl, ethyl, n-propyl or isopropyl) phosphoramidocyanidatesFrom 16.2%9903.05.31AD/CVD may apply10%9903.05.3913.7%9903.05.4412.5%9903.05.4913.7%9903.05.8116.2%9903.05.7710%9903.05.3913.7%9903.05.2912.5%9903.05.7110%9903.05.39
2931.49.00.08[O-2-(Dialkyl (methyl, ethyl, n-propyl or isopropyl) amino)ethyl] hydrogen alkyl (methyl, ethyl, n-propyl or isopropyl) phosphonites and their O-alkyl (≤C10, including cycloalkyl) esters; alkylated or protonated salts thereofFrom 16.2%9903.05.31AD/CVD may apply10%9903.05.3913.7%9903.05.4412.5%9903.05.4913.7%9903.05.8116.2%9903.05.7710%9903.05.3913.7%9903.05.2912.5%9903.05.7110%9903.05.39
2931.49.00.102-Amino-4-[hydroxy(methyl)phosphonoyl] butanoic acid (glufosinate) and its salts and estersFrom 16.2%9903.05.31AD/CVD may apply10%9903.05.3913.7%9903.05.4412.5%9903.05.4913.7%9903.05.8116.2%9903.05.7710%9903.05.3913.7%9903.05.2912.5%9903.05.7110%9903.05.39
2931.49.00.15Butyl methylphosphinateFrom 16.2%9903.05.31AD/CVD may apply10%9903.05.3913.7%9903.05.4412.5%9903.05.4913.7%9903.05.8116.2%9903.05.7710%9903.05.3913.7%9903.05.2912.5%9903.05.7110%9903.05.39
2931.49.00.20N-(Phosphonomethyl) glycine (glyphosate) and its salts and estersFrom 16.2%9903.05.31AD/CVD may apply10%9903.05.3913.7%9903.05.4412.5%9903.05.4913.7%9903.05.8116.2%9903.05.7710%9903.05.3913.7%9903.05.2912.5%9903.05.7110%9903.05.39
2931.49.00.25Bis(1-methylpentyl) methylphosphonateFrom 16.2%9903.05.31AD/CVD may apply10%9903.05.3913.7%9903.05.4412.5%9903.05.4913.7%9903.05.8116.2%9903.05.7710%9903.05.3913.7%9903.05.2912.5%9903.05.7110%9903.05.39
2931.49.00.55Containing a phosphorus atom to which one methyl, ethyl, n-propyl or isopropyl group is bonded but no further carbon atomsFrom 16.2%9903.05.31AD/CVD may apply10%9903.05.3913.7%9903.05.4412.5%9903.05.4913.7%9903.05.8116.2%9903.05.7710%9903.05.3913.7%9903.05.2912.5%9903.05.7110%9903.05.39
2931.49.00.80OtherFrom 16.2%9903.05.31AD/CVD may apply10%9903.05.3913.7%9903.05.4412.5%9903.05.4913.7%9903.05.8116.2%9903.05.7710%9903.05.3913.7%9903.05.2912.5%9903.05.7110%9903.05.39
2931.51.00.00Methylphosphonic dichloride16.2%9903.05.3110%9903.05.3913.7%9903.05.4412.5%9903.05.4913.7%9903.05.8116.2%9903.05.7710%9903.05.3913.7%9903.05.2912.5%9903.05.7110%9903.05.39
2931.52.00.00Propylphosphonic dichloride16.2%9903.05.3110%9903.05.3913.7%9903.05.4412.5%9903.05.4913.7%9903.05.8116.2%9903.05.7710%9903.05.3913.7%9903.05.2912.5%9903.05.7110%9903.05.39
2931.53.00.00O-(3-chloropropyl) O-[4-nitro-3-(trifluoromethyl)phenyl] methylphosphonothionate16.2%9903.05.3110%9903.05.3913.7%9903.05.4412.5%9903.05.4913.7%9903.05.8116.2%9903.05.7710%9903.05.3913.7%9903.05.2912.5%9903.05.7110%9903.05.39
2931.54.00.00Trichlorfon (ISO)16.2%9903.05.3110%9903.05.3913.7%9903.05.4412.5%9903.05.4913.7%9903.05.8116.2%9903.05.7710%9903.05.3913.7%9903.05.2912.5%9903.05.7110%9903.05.39
2931.59.00.10O-Alkyl (≤ C10, including cycloalkyl) alkyl (methyl, ethyl,n- propyl or isopropyl) phosphonofluoridates16.2%9903.05.3110%9903.05.3913.7%9903.05.4412.5%9903.05.4913.7%9903.05.8116.2%9903.05.7710%9903.05.3913.7%9903.05.2912.5%9903.05.7110%9903.05.39
2931.59.00.15Alkyl (methyl, ethyl, n-propyl or isopropyl) phosphonyl difluorides16.2%9903.05.3110%9903.05.3913.7%9903.05.4412.5%9903.05.4913.7%9903.05.8116.2%9903.05.7710%9903.05.3913.7%9903.05.2912.5%9903.05.7110%9903.05.39
2931.59.00.20O-Isopropyl methylphosphonochloridate16.2%9903.05.3110%9903.05.3913.7%9903.05.4412.5%9903.05.4913.7%9903.05.8116.2%9903.05.7710%9903.05.3913.7%9903.05.2912.5%9903.05.7110%9903.05.39
2931.59.00.25O-Pinacolyl methylphosphonochloridate16.2%9903.05.3110%9903.05.3913.7%9903.05.4412.5%9903.05.4913.7%9903.05.8116.2%9903.05.7710%9903.05.3913.7%9903.05.2912.5%9903.05.7110%9903.05.39
2931.59.00.30P-Alkyl (≤ C10, incl. cycloalkyl) N-(1-(dialkyl (≤ C10, incl. cycloalkyl) amino))alkylidene (H or ≤C10, incl. cycloalkyl) phosphonamidic fluorides and corresponding alkylated or protonated salts16.2%9903.05.3110%9903.05.3913.7%9903.05.4412.5%9903.05.4913.7%9903.05.8116.2%9903.05.7710%9903.05.3913.7%9903.05.2912.5%9903.05.7110%9903.05.39
2931.59.00.35Methyl- bis(diethylamino)methylene)phosphonamidofluoridate16.2%9903.05.3110%9903.05.3913.7%9903.05.4412.5%9903.05.4913.7%9903.05.8116.2%9903.05.7710%9903.05.3913.7%9903.05.2912.5%9903.05.7110%9903.05.39
2931.59.00.60Containing a phosphorus atom to which one methyl, ethyl, n-propyl or isopropyl group is bonded but no further carbon atoms16.2%9903.05.3110%9903.05.3913.7%9903.05.4412.5%9903.05.4913.7%9903.05.8116.2%9903.05.7710%9903.05.3913.7%9903.05.2912.5%9903.05.7110%9903.05.39
2931.59.00.80Other16.2%9903.05.3110%9903.05.3913.7%9903.05.4412.5%9903.05.4913.7%9903.05.8116.2%9903.05.7710%9903.05.3913.7%9903.05.2912.5%9903.05.7110%9903.05.39
2931.90.05.00Diphenyldichlorosilane; and phenyltrichlorosilane12.5%9903.05.3110%9903.05.3910%9903.05.4412.5%9903.05.4910%9903.05.8112.5%9903.05.7710%9903.05.3910%9903.05.2912.5%9903.05.7110%9903.05.39
2931.90.10.004,4'-Diphenylbisphosphonous acid, di(2',2",4',4"-di-tert-butyl)phenyl ester19%9903.05.3110%9903.05.3916.5%9903.05.4412.5%9903.05.4916.5%9903.05.8119%9903.05.7710%9903.05.3916.5%9903.05.2912.5%9903.05.7110%9903.05.39
2931.90.15.00Sodium tetraphenylboron18.3%9903.05.3110%9903.05.3915.8%9903.05.4412.5%9903.05.4915.8%9903.05.8118.3%9903.05.7710%9903.05.3915.8%9903.05.2912.5%9903.05.7110%9903.05.39
2931.90.22.00DrugsFrom 44%9903.05.319903.88.03Depends on product factsVariesDepends on product factsFrom 6.5%Depends on product factsVariesDepends on product factsFrom 6.5%Depends on product factsFrom 6.5%Depends on product factsVariesDepends on product factsFrom 16.5%9903.05.29Depends on product factsVariesDepends on product factsVariesDepends on product facts
2931.90.26.00Pesticides19%9903.05.3110%9903.05.3916.5%9903.05.4412.5%9903.05.4916.5%9903.05.8119%9903.05.7710%9903.05.3916.5%9903.05.2912.5%9903.05.7110%9903.05.39
2931.90.30.00Products described in additional U.S. note 3 to section VI44%9903.05.319903.88.0310%9903.05.3916.5%9903.05.4412.5%9903.05.4916.5%9903.05.8119%9903.05.7710%9903.05.3916.5%9903.05.2912.5%9903.05.7110%9903.05.39
2931.90.60.00Other44%9903.05.319903.88.0310%9903.05.3916.5%9903.05.4412.5%9903.05.4916.5%9903.05.8119%9903.05.7710%9903.05.3916.5%9903.05.2912.5%9903.05.7110%9903.05.39
2931.90.70.00N,N'-Bis(trimethylsilyl) urea; 3-(Hydroxymethylphosphinyl)-1-propanoic acid, 2-hydroxyethyl ester; and 2-Phosphonobutane-1,2,4-tricarboxylic acid and its salts37.5%9903.05.319903.88.0310%9903.05.3910%9903.05.4412.5%9903.05.4910%9903.05.8112.5%9903.05.7710%9903.05.3910%9903.05.2912.5%9903.05.7110%9903.05.39
2931.90.90.10Organo-silicon compoundsFrom 41.2%9903.05.319903.88.04AD/CVD may apply10%9903.05.3913.7%9903.05.4412.5%9903.05.4913.7%9903.05.8116.2%9903.05.7710%9903.05.3913.7%9903.05.2912.5%9903.05.7110%9903.05.39
2931.90.90.21Dibutyltin oxideFrom 41.2%9903.05.319903.88.04AD/CVD may apply10%9903.05.3913.7%9903.05.4412.5%9903.05.4913.7%9903.05.8116.2%9903.05.7710%9903.05.3913.7%9903.05.2912.5%9903.05.7110%9903.05.39
2931.90.90.25TetrabutyltinFrom 41.2%9903.05.319903.88.04AD/CVD may apply10%9903.05.3913.7%9903.05.4412.5%9903.05.4913.7%9903.05.8116.2%9903.05.7710%9903.05.3913.7%9903.05.2912.5%9903.05.7110%9903.05.39
2931.90.90.29OtherFrom 41.2%9903.05.319903.88.04AD/CVD may apply10%9903.05.3913.7%9903.05.4412.5%9903.05.4913.7%9903.05.8116.2%9903.05.7710%9903.05.3913.7%9903.05.2912.5%9903.05.7110%9903.05.39
2931.90.90.302-ChlorovinyldichloroarsineFrom 16.2%9903.05.31AD/CVD may apply10%9903.05.3913.7%9903.05.4412.5%9903.05.4913.7%9903.05.8116.2%9903.05.7710%9903.05.3913.7%9903.05.2912.5%9903.05.7110%9903.05.39
2931.90.90.35Bis(2-chlorovinyl)chloroarsineFrom 16.2%9903.05.31AD/CVD may apply10%9903.05.3913.7%9903.05.4412.5%9903.05.4913.7%9903.05.8116.2%9903.05.7710%9903.05.3913.7%9903.05.2912.5%9903.05.7110%9903.05.39
2931.90.90.40Tris(2-chlorovinyl)arsineFrom 16.2%9903.05.31AD/CVD may apply10%9903.05.3913.7%9903.05.4412.5%9903.05.4913.7%9903.05.8116.2%9903.05.7710%9903.05.3913.7%9903.05.2912.5%9903.05.7110%9903.05.39
2931.90.90.52OtherFrom 16.2%9903.05.31AD/CVD may apply10%9903.05.3913.7%9903.05.4412.5%9903.05.4913.7%9903.05.8116.2%9903.05.7710%9903.05.3913.7%9903.05.2912.5%9903.05.7110%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).