Chlorobenzoic Acid p-Isomer from Mexico
The p-isomer of chlorobenzoic acid (4-position) is distinctly classified in HTS 2916.39.16.00, distinguishing from ortho/meta isomers in other subheadings. Essential for selective synthesis reactions.
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
• Confirm isomeric purity via HPLC report; separate from o/m isomers in storage; TSCA inventory check mandatory