HTS 2931
Other organo-inorganic compounds
As of Revision 22 (2026), effective Oct 30, 2026Source: USITC HTS ↗
Chapters › 2931
Chapter 99 measures listing products under 2931
Potash that is a product of Mexico, as provided for in U.S. note 2(c) to this subchapter
Mexico18 listed productsExcept for products described in headings 9903.05.02–9903.05.09, articles the product of Brazil, as provided for in subdivision (a) of U.S. note 50 to this subchapter
Brazil18 listed productsArticles the product of Brazil, as provided for in subdivision (a)(ii) of U.S. note 50 to this subchapter
Brazil18 listed productsArticles the product of Brazil, as provided for in subdivision (a)(iii) of U.S. note 50 to this subchapter
Brazil18 listed productsArticles of civil aircraft (all aircraft other than military aircraft); their engines, parts and components; their other parts, components and subassemblies; and ground flight simulators and their parts and components of Brazil, as provided for in subdivision (a)(iv) of U.S. note 50 to this subchapter
Brazil18 listed productsArticles the product of Brazil that are articles for use in pharmaceutical applications, as provided for in subdivision (a)(v) of U.S. note 50 to this subchapter
Brazil18 listed productsArticles of aluminum, of steel, or of copper or derivative aluminum or steel articles; passenger vehicles (sedans, sport utility vehicles, crossover utility vehicles, minivans, and cargo vans) and light trucks; parts of passenger vehicles (sedans, sport utility vehicles, crossover utility vehicles, minivans, and cargo…
Brazil18 listed productsArticles for use in pharmaceutical applications, as provided for in subdivision (e) of U.S. note 52 to this subchapter
18 listed productsExcept as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided…
China11 listed productsExcept as provided in headings 9903.88.39, 9903.88.42, 9903.88.44, 9903.88.47, 9903.88.49, 9903.88.51, 9903.88.53, 9903.88.55, 9903.88.57, 9903.88.65, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(r) to this subchapter and as provided for in the…
China1 listed productArticles the product of China, as provided for in U.S. note 20(t) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(u) [Compiler's note: provision suspended.]
China4 listed productsArticles the product of the Russian Federation, as provided for in U.S. note 30(a) to this subchapter and as provided for in the subheadings enumerated in U.S. note 30(b) to this subchapter
Russia10 listed products
Lines under 2931
| HTS | Description | General | Column 2 |
|---|---|---|---|
| 2931.10.00.00 | Tetramethyl lead and tetraethyl lead | 3.7% | 25% |
| 2931.20.00.00 | Tributyltin compounds | 3.7% | 25% |
| 2931.41.00.00 | Dimethyl methylphosphonate | 3.7% | 25% |
| 2931.42.00.00 | Dimethyl propylphosphonate | 3.7% | 25% |
| 2931.43.00.00 | Diethyl ethylphosphonate | 3.7% | 25% |
| 2931.44.00.00 | Methylphosphonic acid | 3.7% | 25% |
| 2931.45.00.00 | Salt of methylphosphonic acid and (aminoiminomethyl)urea (1:1) | 3.7% | 25% |
| 2931.46.00.00 | 2,4,6-Tripropyl-1,3,5,2,4,6-trioxatriphosphinane 2,4,6-trioxide | 3.7% | 25% |
| 2931.47.00.00 | (5-Ethyl-2-methyl-2-oxido-1,3,2-dioxaphosphinan-5-yl) methyl methyl methylphosphonate | 3.7% | 25% |
| 2931.48.00.00 | 3,9-Dimethyl-2,4,8,10-tetraoxa-3,9-diphosphaspiro [5.5] undecane 3,9-dioxide | 3.7% | 25% |
| 2931.49.00 | Other | 3.7% | 25% |
| 2931.49.00.05 | O-Alkyl (≤C10, including cycloalkyl) N,N-dialkyl (methyl, ethyl, n-propyl or isopropyl) phosphoramidocyanidates | ||
| 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… | ||
| 2931.49.00.10 | 2-Amino-4-[hydroxy(methyl)phosphonoyl] butanoic acid (glufosinate) and its salts and esters | ||
| 2931.49.00.15 | Butyl methylphosphinate | ||
| 2931.49.00.20 | N-(Phosphonomethyl) glycine (glyphosate) and its salts and esters | ||
| 2931.49.00.25 | Bis(1-methylpentyl) methylphosphonate | ||
| 2931.49.00.55 | Containing a phosphorus atom to which one methyl, ethyl, n-propyl or isopropyl group is bonded but no further carbon atoms | ||
| 2931.49.00.80 | Other | ||
| 2931.51.00.00 | Methylphosphonic dichloride | 3.7% | 25% |
| 2931.52.00.00 | Propylphosphonic dichloride | 3.7% | 25% |
| 2931.53.00.00 | O-(3-chloropropyl) O-[4-nitro-3-(trifluoromethyl)phenyl] methylphosphonothionate | 3.7% | 25% |
| 2931.54.00.00 | Trichlorfon (ISO) | 3.7% | 25% |
| 2931.59.00 | Other | 3.7% | 25% |
| 2931.59.00.10 | O-Alkyl (≤ C10, including cycloalkyl) alkyl (methyl, ethyl,n- propyl or isopropyl) phosphonofluoridates | ||
| 2931.59.00.15 | Alkyl (methyl, ethyl, n-propyl or isopropyl) phosphonyl difluorides | ||
| 2931.59.00.20 | O-Isopropyl methylphosphonochloridate | ||
| 2931.59.00.25 | O-Pinacolyl methylphosphonochloridate | ||
| 2931.59.00.30 | P-Alkyl (≤ C10, incl. cycloalkyl) N-(1-(dialkyl (≤ C10, incl. cycloalkyl) amino))alkylidene (H or ≤C10, incl. cycloalkyl) phosphonamidic… | ||
| 2931.59.00.35 | Methyl- bis(diethylamino)methylene)phosphonamidofluoridate | ||
| 2931.59.00.60 | Containing a phosphorus atom to which one methyl, ethyl, n-propyl or isopropyl group is bonded but no further carbon atoms | ||
| 2931.59.00.80 | Other | ||
| 2931.90 | Other: | ||
| 2931.90.05.00 | Diphenyldichlorosilane; and phenyltrichlorosilane | Free | 15.4¢/kg + 68.5% |
| 2931.90.10.00 | 4,4'-Diphenylbisphosphonous acid, di(2',2",4',4"-di-tert-butyl)phenyl ester | 6.5% | 15.4¢/kg + 40% |
| 2931.90.15.00 | Sodium tetraphenylboron | 5.8% | 15.4¢/kg + 40% |
| 2931.90.22.00 | Drugs | 6.5% | 15.4¢/kg + 67.5% |
| 2931.90.26.00 | Pesticides | 6.5% | 15.4¢/kg + 40% |
| 2931.90.30.00 | Products described in additional U.S. note 3 to section VI | 6.5% | 15.4¢/kg + 68.5% |
| 2931.90.60.00 | Other | 6.5% | 15.4¢/kg + 68.5% |
| 2931.90.70.00 | N,N'-Bis(trimethylsilyl) urea; 3-(Hydroxymethylphosphinyl)-1-propanoic acid, 2-hydroxyethyl ester; and… | Free | 25% |
| 2931.90.90 | Other | 3.7% | 25% |
| 2931.90.90.10 | Organo-silicon compounds | ||
| 2931.90.90.21 | Dibutyltin oxide | ||
| 2931.90.90.25 | Tetrabutyltin | ||
| 2931.90.90.29 | Other | ||
| 2931.90.90.30 | 2-Chlorovinyldichloroarsine | ||
| 2931.90.90.35 | Bis(2-chlorovinyl)chloroarsine | ||
| 2931.90.90.40 | Tris(2-chlorovinyl)arsine | ||
| 2931.90.90.52 | Other |