From Chapter 29: Chapter 29
| HTS Code | Description | General Duty |
|---|---|---|
| 2931100000 | Other organo-inorganic compounds Tetramethyl lead and tetraethyl lead | 3.7% |
| 2931200000 | Other organo-inorganic compounds Tributyltin compounds | 3.7% |
| 2931410000 | Non-halogenated organo-phosphorous derivatives Dimethyl methylphosphonate | 3.7% |
| 2931420000 | Non-halogenated organo-phosphorous derivatives Dimethyl propylphosphonate | 3.7% |
| 2931430000 | Non-halogenated organo-phosphorous derivatives Diethyl ethylphosphonate | 3.7% |
| 2931440000 | Non-halogenated organo-phosphorous derivatives Methylphosphonic acid | 3.7% |
| 2931450000 | Non-halogenated organo-phosphorous derivatives Salt of methylphosphonic acid and (aminoiminomethyl)urea (11) | 3.7% |
| 2931460000 | Non-halogenated organo-phosphorous derivatives 2,4,6-Tripropyl-1,3,5,2,4,6-trioxatriphosphinane 2,4,6-trioxide | 3.7% |
| 2931470000 | Non-halogenated organo-phosphorous derivatives (5-Ethyl-2-methyl-2-oxido-1,3,2-dioxaphosphinan-5-yl) methyl methyl methylphosphonate | 3.7% |
| 2931480000 | Non-halogenated organo-phosphorous derivatives 3,9-Dimethyl-2,4,8,10-tetraoxa-3,9-diphosphaspiro [5.5] undecane 3,9-dioxide | 3.7% |
| 2931490000 | Non-halogenated organo-phosphorous derivatives Other | 3.7% |
| 2931490005 | Other O-Alkyl (≤C10, including cycloalkyl) N,N-dialkyl (methyl, ethyl, n-propyl or isopropyl) phosphoramidocyanidates | 3.7% |
| 2931490008 | Other [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 thereof | 3.7% |
| 2931490010 | Other 2-Amino-4-[hydroxy(methyl)phosphonoyl] butanoic acid (glufosinate) and its salts and esters | 3.7% |
| 2931490015 | Other Butyl methylphosphinate | 3.7% |
| 2931490020 | Other N-(Phosphonomethyl) glycine (glyphosate) and its salts and esters | 3.7% |
| 2931490025 | Other Bis(1-methylpentyl) methylphosphonate | 3.7% |
| 2931490055 | Other Containing a phosphorus atom to which one methyl, ethyl, n-propyl or isopropyl group is bonded but no further carbon atoms | 3.7% |
| 2931490080 | Other Other | 3.7% |
| 2931510000 | Halogenated organo-phosphorous derivatives Methylphosphonic dichloride | 3.7% |
| 2931520000 | Halogenated organo-phosphorous derivatives Propylphosphonic dichloride | 3.7% |
| 2931530000 | Halogenated organo-phosphorous derivatives O-(3-chloropropyl) O-[4-nitro-3-(trifluoromethyl)phenyl] methylphosphonothionate | 3.7% |
| 2931540000 | Halogenated organo-phosphorous derivatives Trichlorfon (ISO) | 3.7% |
| 2931590000 | Halogenated organo-phosphorous derivatives Other | 3.7% |
| 2931590010 | Other O-Alkyl (≤ C10, including cycloalkyl) alkyl (methyl, ethyl,n- propyl or isopropyl) phosphonofluoridates | 3.7% |
| 2931590015 | Other Alkyl (methyl, ethyl, n-propyl or isopropyl) phosphonyl difluorides | 3.7% |
| 2931590020 | Other O-Isopropyl methylphosphonochloridate | 3.7% |
| 2931590025 | Other O-Pinacolyl methylphosphonochloridate | 3.7% |
| 2931590030 | Other P-Alkyl (≤ C10, incl. cycloalkyl) N-(1-(dialkyl (≤ C10, incl. cycloalkyl) amino))alkylidene (H or ≤C10, incl. cycloalkyl) phosphonamidic fluorides and corresponding alkylated or protonated salts | 3.7% |
| 2931590035 | Other Methyl- bis(diethylamino)methylene)phosphonamidofluoridate | 3.7% |
| 2931590060 | Other Containing a phosphorus atom to which one methyl, ethyl, n-propyl or isopropyl group is bonded but no further carbon atoms | 3.7% |
| 2931590080 | Other | 3.7% |
| 2931900500 | Aromatic Diphenyldichlorosilane; and phenyltrichlorosilane | Free |
| 2931901000 | Aromatic 4,4'-Diphenylbisphosphonous acid, di(2',2",4',4"-di-tert-butyl)phenyl ester | 6.5% |
| 2931901500 | Aromatic Sodium tetraphenylboron | 5.8% |
| 2931902200 | Other Drugs | 6.5% |
| 2931902600 | Other Pesticides | 6.5% |
| 2931903000 | Other Products described in additional U.S. note 3 to section VI | 6.5% |
| 2931906000 | Other Other | 6.5% |
| 2931907000 | Other N,N'-Bis(trimethylsilyl) urea; 3-(Hydroxymethylphosphinyl)-1-propanoic acid, 2-hydroxyethyl ester; and 2-Phosphonobutane-1,2,4-tricarboxylic acid and its salts | Free |
| 2931909000 | Other Other | 3.7% |
| 2931909010 | Other Organo-silicon compounds | 3.7% |
| 2931909021 | Organo-tin compounds Dibutyltin oxide | 3.7% |
| 2931909025 | Organo-tin compounds Tetrabutyltin | 3.7% |
| 2931909029 | Organo-tin compounds Other | 3.7% |
| 2931909030 | Other 2-Chlorovinyldichloroarsine | 3.7% |
| 2931909035 | Other Bis(2-chlorovinyl)chloroarsine | 3.7% |
| 2931909040 | Other Tris(2-chlorovinyl)arsine | 3.7% |
| 2931909052 | Other | 3.7% |