Home/HTS/ Ch. 29/2931

2931 · Other organo-inorganic compounds:

This is a category heading rather than a rate line — pick one of the codes below to see its full duty stack.

Subordinate codes (17)

CodeDescription
2931.10.00.00Tetramethyl lead and tetraethyl lead
2931.20.00.00Tributyltin compounds
2931.41.00.00Dimethyl methylphosphonate
2931.42.00.00Dimethyl propylphosphonate
2931.43.00.00Diethyl ethylphosphonate
2931.44.00.00Methylphosphonic acid
2931.45.00.00Salt of methylphosphonic acid and (aminoiminomethyl)urea (1:1)
2931.46.00.002,4,6-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
2931.48.00.003,9-Dimethyl-2,4,8,10-tetraoxa-3,9-diphosphaspiro [5.5] undecane 3,9-dioxide
2931.49.00Other
2931.51.00.00Methylphosphonic dichloride
2931.52.00.00Propylphosphonic dichloride
2931.53.00.00O-(3-chloropropyl) O-[4-nitro-3-(trifluoromethyl)phenyl] methylphosphonothionate
2931.54.00.00Trichlorfon (ISO)
2931.59.00Other
2931.90Other:

Frequently asked

What does 2931 cover?
Other organo-inorganic compounds:. This is a heading-level category with several subordinate codes — open one to see its full duty breakdown.
Where does this data come from?
Codes and MFN base rates come from the full USITC HTS 2026 Rev.11 export. Section 301/232/122 surcharge mappings are approximated pending code-level review. Every rate carries a source_url and effective_from, so you can trace it back to the controlling notice.