5-Nitroisophthalic Acid Monomethyl Ester from Mexico
This compound has nitro nitrogen function with carboxylic ester on aromatic ring, under HTS 2929.90.20.00 per rule classifying esters with later-heading acids. Used in polyester resin synthesis.
Duty Rate — Mexico → United States
16.5%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Esterification degree documentation; acid value testing; comply with ester import stability requirements