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Home > HTS Codes > Chapter 29 > 2931

Custom Duty Rate for HTS Code 2931 : Separate chemically defined organo-inorganic compounds (excluding organo-sulphur compounds and those of mercury)

Heading/SubheadingArticle DescriptionUnit of QuantityRates of Duty
12
GeneralSpecial
2931.10Tetramethyl lead and tetraethyl lead
2931.10.00.00Tetramethyl lead and tetraethyl lead, being organo-inorganic compoundskg0.00%Free (A,AU,BH,CA,CL,CO,D,E,IL,JO,KR,MA,MX,OM,P,PA,PE,S,SG)30.00%
2931.20Tributyltin compounds
2931.20.00.00Tributyltin compounds, being organo-inorganic compoundskg0.00%Free (A,AU,BH,CA,CL,CO,D,E,IL,JO,KR,MA,MX,OM,P,PA,PE,S,SG)30.00%
2931.31Dimethyl methylphosphonate
2931.31.00.00Dimethyl methylphosphonate, being a non-halogenated organo-phosphorous derivativekg0.00%Free (A,AU,BH,CA,CL,CO,D,E,IL,JO,K,KR,MA,MX,OM,P,PA,PE,S,SG)30.00%
2931.32Dimethyl propylphosphonate
2931.32.00.00Dimethyl propylphosphonate, being a non-halogenated organo-phosphorous derivativekg0.00%Free (A,AU,BH,CA,CL,CO,D,E,IL,JO,K,KR,MA,MX,OM,P,PA,PE,S,SG)30.00%
2931.33Diethyl ethylphosphonate
2931.33.00.00Diethyl ethylphosphonate, being a non-halogenated organo-phosphorous derivativekg0.00%Free (A,AU,BH,CA,CL,CO,D,E,IL,JO,K,KR,MA,MX,OM,P,PA,PE,S,SG)30.00%
2931.34Sodium 3-(trihydroxysilyl)propyl methylphosphonate
2931.34.00.00Methylphosphonic acid, being a non-halogenated organo-phosphorous derivativekg0.00%Free (A,AU,BH,CA,CL,CO,D,E,IL,JO,K,KR,MA,MX,OM,P,PA,PE,S,SG)30.00%
2931.352,4,6-tripropyl-1,3,5,2,4,6-trioxatriphosphinane 2,4,6-trioxide
2931.35.00.00Salt of methylphosphonic acid and (aminoiminomethyl)urea, being a non-halogenated organo-phosphorous derivativekg0.00%Free (A,AU,BH,CA,CL,CO,D,E,IL,JO,K,KR,MA,MX,OM,P,PA,PE,S,SG)30.00%
2931.36(5-ethyl-2-methyl-2-oxido-1,3,2-dioxaphosphinan-5-yl)methyl methyl methylphosphonate
2931.36.00.002,4,6-tripropyl-1,3,5,2,4,6-trioxatriphosphinane 2,4,6-trioxide, being a non-halogenated organo-phosphorous derivativekg0.00%Free (A,AU,BH,CA,CL,CO,D,E,IL,JO,K,KR,MA,MX,OM,P,PA,PE,S,SG)30.00%
2931.37Bis[(5-ethyl-2-methyl-2-oxido-1,3,2-dioxaphosphinan-5-yl)methyl] methylphosphonate
2931.37.00.00Specific oxidodioxaphosphinan methylphosphonates, being non-halogenated organo-phosphorous derivativeskg0.00%Free (A,AU,BH,CA,CL,CO,D,E,IL,JO,K,KR,MA,MX,OM,P,PA,PE,S,SG)30.00%
2931.38Salt of methylphosphonic acid and (aminoiminomethyl)urea (1 : 1)
2931.38.00.00Specific tetraoxadiphosphaspiro undecane dioxides, being non-halogenated organo-phosphorous derivativeskg0.00%Free (A,AU,BH,CA,CL,CO,D,E,IL,JO,K,KR,MA,MX,OM,P,PA,PE,S,SG)30.00%
2931.39Separate chemically defined organo-phosphorous derivatives, n.e.s.
2931.39.00Other0.00%Free (A,AU,BH,CA,CL,CO,D,E,IL,JO,K,KR,MA,MX,OM,P,PA,PE,S,SG)30.00%
2931.39.00.12Containing a phosphorus atom to which is bonded one methyl, ethyl, n-propyl or isopropyl group, but no other carbon atomskg
2931.39.00.15Butyl methylphosphinate, being a non-halogenated organo-phosphorous derivativekg
2931.39.00.18Glyphosate and its salts and esters, being non-halogenated organo-phosphorous derivativeskg
2931.90Separate chemically defined organo-inorganic compounds (excluding organo-sulphur compounds and those of mercury, tetramethyl lead, tetraethyl lead and tributyltin compounds)
2931.90.05.00Diphenyldichlorosilane and phenyltrichlorosilane, being aromatic organo-inorganic compoundskgFree15.4¢/kg + 68.5%
2931.90.10.004,4'-diphenylbisphosphonous acid ester, being an aromatic organo-inorganic compoundkg10.00%Free (A+,AU,BH, CA,CL,CO,D, E,IL, JO, KR,MA, MX,OM,P, PA,PE,S,SG)15.4¢/kg + 40%
2931.90.15.00Sodium tetraphenylboron, being an aromatic organo-inorganic compoundkg10.00%Free (A+,AU,BH, CA,CL,CO,D, E,IL, JO, KR,MA, MX,OM,P, PA,PE,S,SG)15.4¢/kg + 40%
2931.90.22.00Organo-inorganic drugs, other than those specified in other subheadings, being aromatickg10.00%Free (A+,AU,BH, CA,CL,CO,D, E,IL,JO,K, KR,MA, MX,OM,P, PA,PE,S,SG)15.4¢/kg + 67.5%
2931.90.26.00Organo-inorganic pesticides, other than those specified in other subheadings, being aromatickg10.00%Free (A*,AU,BH,CA,CL,CO,D,E,IL,JO,KR,MA,MX,OM,P,PA,PE,S,SG)15.4¢/kg + 40%
2931.90.30.00Aromatic organo-inorganic compounds, not elsewhere specified, described in additional u.s. note 3 to section vikg10.00%Free (A+,AU,BH, CA,CL,CO,D, E,IL,JO,K, KR,MA, MX,OM,P, PA,PE,S,SG)15.4¢/kg + 68.5%
2931.90.60.00Aromatic organo-inorganic compounds, not specified elsewhere and not described in specific u.s. noteskg10.00%Free (A+,AU,BH, CA,CL,CO,D, E,IL,JO,K, KR,MA, MX,OM,P, PA,PE,S,SG)15.4¢/kg + 68.5%
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 saltskgFree30.00%
2931.90.90Other0.00%Free (A*,AU,BH,CA,CL,CO,D,E,IL,JO,K,KR,MA,MX,OM,P,PA,PE,S,SG)30.00%
2931.90.90.10Organo-silicon compounds, being organo-inorganic compoundskg
2931.90.90.21Dibutyltin oxide, being an organo-tin compoundkg
2931.90.90.25Tetrabutyltin, being an organo-tin compoundkg
2931.90.90.29Organo-tin compounds, other than dibutyltin oxide or tetrabutyltinkg
2931.90.90.51Organo-inorganic compounds, not specified elsewhere, not being aromatickg

Disclaimer: The HTS code data and duty rates shown on this page are sourced from the Harmonized Tariff Schedule of the United States, Revision 15 (2025), published by the U.S. International Trade Commission (USITC). This information is provided for general reference purposes only. Credlix is a trade finance platform, not a licensed customs broker, freight forwarder, or trade law firm. It makes no warranty, express or implied, regarding the accuracy, completeness, or fitness of this data. Always verify against the latest schedule at hts.usitc.gov before making any import decisions.

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