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2917.39.70.00/1,2,4,5-Tetracarboxybenzene (Pyromellitic Acid)/Mexico

1,2,4,5-Tetracarboxybenzene (Pyromellitic Acid) from Mexico

Pyromellitic acid, the diacid precursor to PMDA, is used in specialty polyimides and electronic materials. Classified under HTS 2917.39.70.00 as an aromatic polycarboxylic acid (four -COOH groups on benzene). Typically handled as dihydrate form.

Duty Rate — Mexico → United States

16.5%

Rate breakdown

9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
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Import Tips

• Dihydrate form classified with anhydrous acid per Chapter Note 5(F) stabilizer provisions

• Document water content <15% to avoid Chapter 28 inorganic salt classification

• Requires REACH/ TSCA registration verification for US import clearance

1,2,4,5-Tetracarboxybenzene (Pyromellitic Acid) from Mexico — Import Duty Rate | HTS 2917.39.70.00