Subheading

2917.39

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:

2917 Polycarboxylic acids, their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulfonated, nitrated or nitrosated derivatives

Duty rates

Column 1, General

Not stated at any level above this line

The rate for goods from countries with normal trade relations.

Column 1, Special

No programme rate on this line

Only if the goods qualify under that programme's rules of origin, which is a determination nobody here can make for you.

Column 2

Not stated at any level above this line

For the small number of countries named in General Note 3(b), which is not held here.

Additional duties

No footnote on this line, or on the lines above it, points at a chapter 99 provision.

These are the published rates for this line. They are not a landed duty. Additional duties under chapter 99, which is where section 232 and section 301 sit, can apply through the U.S. notes to that chapter without a footnote on this line, and those notes are not held here. Classification and country of origin are yours to determine.

Below this

Code	Description	General
2917.39.04.00	1,2,4-Benzenetricarboxylic acid, 1,2-dianhydride (Trimellitic anhydride); Phthalic acid; and 4-Sulfo-1,8-naphthalic anhydride	6.5%
2917.39.08.00	Naphthalic anhydride	Free
2917.39.12.00	4,4'-(Hexafluoroisopropylidene)bis(phthalic anhydride)	Free
2917.39.15.00	Isophthalic acid	6.5%
2917.39.17.00	Tetrabromophthalic anhydride	6.5%
2917.39.20.00	Plasticizers	6.5%
2917.39.30.00	Products described in additional U.S. note 3 to section VI	6.5%
2917.39.70.00	Other	6.5%

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2026HTSRev17, retrieved 2026-08-27, from the USITC