U.S. imports of Halogenated Organophosphorus Derivatives (NES) (HS 293159) totaled $328K in August 2026, imported from 12 countries.
Importers of Halogenated Organophosphorus Derivatives (NES) paid $536 in duties in August 2026, an average duty rate of 0.16% — duty actually collected as a share of the imports that cleared customs, not the published tariff schedule. Halogenated Organophosphorus Derivatives (NES) imports of $328K in August 2026 ran 40% above the year-to-date monthly average of $235K.
Last updated: August 2026 dataChina leads US imports of halogenated organophosphorus derivatives not elsewhere specified, with Canada, the United Kingdom, Poland, and Switzerland also among the top suppliers. The US schedule subdivides this heading into O-alkyl phosphonofluoridates (2931590010), alkyl phosphonyl difluorides (2931590015), compounds where a methyl/ethyl/propyl group is directly bonded to phosphorus (2931590060), and a residual NESOI line (2931590080). Phosphonofluoridates and phosphonyl difluorides are CWC Schedule 1 and Schedule 2 precursors respectively, subjecting those lines to the most stringent import controls of any organophosphorus subheading.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
6 import shipments a month
These compound classes are listed on CWC Schedule 1 and Schedule 2 respectively because they are direct precursors to nerve agents. Importers must comply with Commerce Department licensing requirements under the Export Administration Regulations (EAR) and may face additional CBP scrutiny at entry, regardless of the declared end use.
Line 2931590060 captures halogenated compounds where a methyl, ethyl, or propyl carbon is bonded directly to the phosphorus atom — a structural test that mirrors the CWC's definition of key precursor classes. Compounds where the alkyl group is attached via oxygen or sulfur rather than directly to phosphorus fall instead into the residual NESOI line (2931590080), making the bonding mode the decisive classification factor.
Subheading 3 of 17 in heading 2931
Subheading 293159 · $328K of $107.2M
Trade Directory
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ImportsExports
Imports
$328KYoY · free account
Exports
$303KYoY · free account
12-mo low · imports
Low · free accountOver the twelve months to August 2026, the U.S. imported $3.1M of Halogenated Organophosphorus Derivatives (NES) and exported $6.9M.
Fewer than 6 of the last 12 months reported trade, or the latest month was under $500K; the trend chart is not shown for thin series.
Through August 2026. Source: U.S. Census Bureau.
HS10 import codes under this HS6 parent, each with its own page. Source: U.S. Harmonized Tariff Schedule.
| Code | Description | Imports for consumption | Average duty rate | Dutiable Share | Duty Collected |
|---|---|---|---|---|---|
| 2931590080 | Halogenated Organo-Phosphorous Derivatives, NESOI | $328K | 0.16% | 1.45% | $536 |
| 2931590060 | Cont Phsphrs Atom, One Meth/Eth/Prp Grp Is Bnded | — | -- | -- | -- |
HS10 export codes under this HS6 parent, each with its own page. Source: U.S. Schedule B export classification.
Import lines come from the U.S. Harmonized Tariff Schedule and export lines from Schedule B. The two are numbered by different agencies, so the same 10-digit code can appear in both tables describing a different product.
Imports · August 2026
origin
Canada and France together supply 97% of it. Japan pays 12.5% duty; Canada 0.0%.
customs district
destination
entry
rate provision · imports
98.5% enters free of duty; duty collected equals 0.16% of imports for consumption.