3-Methyl-5-Pyrazolone with Stabilizer from Mexico
3-Methyl-5-pyrazolone containing added stabilizer for transport preservation is classified under HTS 2933.19.70.00 per Chapter 29 note (f). The stabilizer does not alter its primary pyrazole ring classification.
Duty Rate — Mexico → United States
10%
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
• Document stabilizer composition and concentration to justify Chapter 29 classification
• Ensure stabilizer additions don't exceed 'necessary for preservation' threshold
• Label as 'contains stabilizer' to match import documentation