HTS US: 2931.XX.XXXX
Description
This heading encompasses a broad category of other organo-inorganic compounds that do not fall under more specific classifications in preceding headings. These compounds include a variety of organo-metallic and organo-phosphorus chemicals commonly used in specialized industrial, agricultural, and chemical sectors.
The compounds under this heading vary greatly in their chemical structure and applications, often featuring phosphorus, lead, tin, silicon, and other elements bound within organic frameworks.
Code Hierarchy
- Section VI: Products of the Chemical or Allied Industries (Chapters 28-38)
- Chapter 29: Organic Chemicals
- Heading 2931: Other organo-inorganic compounds
- US HTS Code (10-digit):
2931.XX.XXXX– Specifies the exact compound or group of compounds.
Detailed Breakdown of Subheadings
The 4-digit heading 2931 breaks down into multiple 10-digit subheadings that identify specific compounds or groups of compounds. Below is a comprehensive list of these subheadings along with their descriptions and examples:
| HTS Code | Description |
|---|---|
| 2931.10.00.00 | Tetramethyl lead and tetraethyl lead |
| 2931.20.00.00 | Tributyltin compounds |
| 2931.41.00.00 | Dimethyl methylphosphonate |
| 2931.42.00.00 | Dimethyl propylphosphonate |
| 2931.43.00.00 | Diethyl ethylphosphonate |
| 2931.44.00.00 | Methylphosphonic acid |
| 2931.45.00.00 | Salt of methylphosphonic acid and (aminoiminomethyl)urea (1:1) |
| 2931.46.00.00 | 2,4,6-Tripropyl-1,3,5,2,4,6-trioxatriphosphinane 2,4,6-trioxide |
| 2931.47.00.00 | (5-Ethyl-2-methyl-2-oxido-1,3,2-dioxaphosphinan-5-yl) methyl methyl methylphosphonate |
| 2931.48.00.00 | 3,9-Dimethyl-2,4,8,10-tetraoxa-3,9-diphosphaspiro [5.5] undecane 3,9-dioxide |
| 2931.49.00 | Other |
| 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 their O-alkyl (≤C10, including cycloalkyl) esters; alkylated or protonated salts thereof |
| 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 |
| 2931.52.00.00 | Propylphosphonic dichloride |
| 2931.53.00.00 | O-(3-chloropropyl) O-[4-nitro-3-(trifluoromethyl)phenyl] methylphosphonothionate |
| 2931.54.00.00 | Trichlorfon (ISO) |
| 2931.59.00 | Other |
| 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 fluorides and corresponding alkylated or protonated salts |
| 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 |
| 2931.90.10.00 | 4,4′-Diphenylbisphosphonous acid, di(2′,2″,4′,4″-di-tert-butyl)phenyl ester |
| 2931.90.15.00 | Sodium tetraphenylboron |
| 2931.90.22.00 | Drugs |
| 2931.90.26.00 | Pesticides |
| 2931.90.30.00 | Products described in additional U.S. note 3 to section VI |
| 2931.90.60.00 | Other |
| 2931.90.70.00 | N,N’-Bis(trimethylsilyl) urea; 3-(Hydroxymethylphosphinyl)-1-propanoic acid, 2-hydroxyethyl ester; and 2-Phosphonobutane-1,2,4-tricarboxylic acid and its salts |
| 2931.90.90 | Other |
| 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 |
What is NOT Classified Here?
To ensure accurate classification, note that the following are excluded from this heading and classified elsewhere:
- Pure organic compounds without inorganic elements are generally classified under other headings in Chapter 29.
- Inorganic chemicals without organic components fall under Chapter 28.
- Prepared pesticides and herbicides often have separate classifications, though some specific compounds are included here.
- Pharmaceutical formulations or mixtures are classified under Chapter 30.
Notes
- Regulatory Considerations: Many compounds under HTS 2931 are subject to strict controls due to their chemical nature, toxicity, or use in agriculture and industry.
- Duty Rates: Duty rates vary widely depending on the exact subheading and compound, with some subject to specific import restrictions or licensing requirements.
- Trade Compliance: Importers should verify compliance with environmental and safety regulations, including possible restrictions on substances containing lead, tin, arsenic, or organophosphorus groups.
Declaration Example
Product: A shipment of glyphosate herbicide salts.US HTS Code:
2931.49.00.20(N-(Phosphonomethyl) glycine (glyphosate) and its salts and esters)Unit of Quantity: Kilogram (kg)
General Duty Rate: Check current USHTS (subject to specific import regulations)
Additional Requirements: Compliance with EPA regulations and import permits.
Related HTS Codes
- HTS 2827: Chlorides and chloride oxides of metals (inorganic chemicals).
- HTS 2933: Heterocyclic compounds with nitrogen hetero-atom(s).
- HTS 3808: Insecticides, rodenticides, fungicides, herbicides, antisprouting products, and plant-growth regulators.
- HTS 2909: Ethers, ether-alcohols, ether-phenols, alcohol peroxides, and peroxyacids.
