Methyl 4,4,4-Trifluoro-3-oxobutanoate 98% Pure from Canada
High-purity methyl trifluoroacetoacetate explicitly under HTS 2918.30.70.00 as chemically defined with minor impurities allowed.
Duty Rate — Canada → United States
10%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Purity certificate essential for chapter 29
• Monitor for keto-enol equilibrium in storage declarations