Diazoaminobenzene stabilized with 0.1% citric acid from Mexico
Diazoaminobenzene with stabilizer added per Chapter 29 note 2(f), maintaining classification under HTS 2927.00.06.00 as the stabilizer is solely for preservation/transport. Used in analytical chemistry standards.
Duty Rate — Mexico → United States
15.8%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Stabilizer addition must be documented as <1% w/w and solely for transport safety per Chapter note
• Provide comparative HPLC chromatograms showing stabilizer does not alter principal characteristic
• Declare exact stabilizer composition; citric acid exempt from mixture reclassification