Tariff reference › Chapter 29 › 2917.39.12.00
HTS 2917.39.12.00 — 4,4'-(Hexafluoroisopropylidene)bis(phthalic anhydride)
The current US import duty for 4,4'-(Hexafluoroisopropylidene)bis(phthalic anhydride) (HTS 2917.39.12.00) — the base rate, any Section 301/232/122 surcharge that applies, and what's changed recently.
Polycarboxylic acids, their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulfonated, nitrated or nitrosated derivatives: › Aromatic polycarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives: › Other: › 4,4'-(Hexafluoroisopropylidene)bis(phthalic anhydride)
Current US duty rate
| Column 1 (General / MFN) | Free |
|---|---|
| Special (FTA programs) | — |
| Column 2 (other) | 15.4¢/kg + 73% |
No Chapter 99 (Section 301/232/122) cross-reference on this line; origin-specific surcharges may still apply — check the calculator.
Alert me when this code changes (free) See all recorded changes
Programmatic access: the full duty stack (base + surcharges + MPF/HMF for a given origin & value) is at /duty?code=2917.39.12.00&origin=&value=. Current as of USITC 2026HTSRev13 (synced 2026-07-29).