Tariff reference › Chapter 38 › 3824.91.00.00
HTS 3824.91.00.00 — Mixtures and preparations consisting mainly of (5-ethyl-2-methyl-2-oxido3,2-dioxaphosphinan-5-yl)methyl methylphosphonate and bis(5-ethyl-2-methyl-2-oxido-1,3,2-dioxaphosphinan-5-yl)methyl methylphosphonate
The current US import duty for Mixtures and preparations consisting mainly of (5-ethyl-2-methyl-2-oxido3,2-dioxaphosphinan-5-yl)methyl methylphosphonate and bis(5-ethyl-2-methyl-2-oxido-1,3,2-dioxaphosphinan-5-yl)methyl methylphosphonate (HTS 3824.91.00.00) — the base rate, any Section 301/232/122 surcharge that applies, and what's changed recently.
Prepared binders for foundry molds or cores; chemical products and preparations of the chemical or allied industries (including those consisting of mixtures of natural products), not elsewhere specified or included: › Other: › Mixtures and preparations consisting mainly of (5-ethyl-2-methyl-2-oxido3,2-dioxaphosphinan-5-yl)methyl methylphosphonate and bis(5-ethyl-2-methyl-2-oxido-1,3,2-dioxaphosphinan-5-yl)methyl methylphosphonate
Current US duty rate
| Column 1 (General / MFN) | 5% |
|---|---|
| Special (FTA programs) | Free (A+,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG) |
| Column 2 (other) | 25% |
No Chapter 99 (Section 301/232/122) cross-reference on this line; origin-specific surcharges may still apply — check the calculator.
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Programmatic access: the full duty stack (base + surcharges + MPF/HMF for a given origin & value) is at /duty?code=3824.91.00.00&origin=&value=. Current as of USITC 2026HTSRev13 (synced 2026-07-29).