Meldrum's Acid from Japan
Meldrum's acid (2,2-dimethyl-1,3-dioxane-4,6-dione) is a cyclic diester used in organic synthesis, classified under HTS 2942.00.50.00 as 'other' organic compounds. This highly acidic beta-diketone equivalent features a six-membered heterocyclic ring.
Duty Rate — Japan → United States
3.7%
Rate breakdown
9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
Import Tips
• Hygroscopic; ship ≤20% RH with moisture content analysis (<0.5%)
• pKa 4.97 documentation and decarboxylation temperature (>140°C) data
• Distinguish from pharmaceutical intermediates under stricter FDA controls