Pyridine-4-Carboxylic Acid from China
Pyridine-4-carboxylic acid (isonicotinic acid) is a key intermediate with an unfused pyridine ring used in synthesizing pharmaceuticals like isoniazid. It falls under HTS 2933.39.61 as specified in additional U.S. note 3 to section VI. Primarily imported for fine chemical synthesis.
Duty Rate — China → United States
19%
Rate breakdown
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
Import Tips
• Include synthesis route and end-use declaration to qualify for intermediate status
• Monitor for REACH compliance if transshipping through EU; provide safety data sheets
• Package under inert atmosphere to prevent oxidation during ocean transit