Ethyl Trifluoroacetoacetate Stabilized from Mexico
Stabilized ethyl 4,4,4-trifluoro-3-oxobutanoate under HTS 2918.30.70.00 with added anticaking agent for transport per note (f). Prevents enol-keto tautomerism in storage.
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 as necessary for preservation only per note (f)
• Test for specific use suitability post-addition
• Separate from sets if not commercially sold together