Benzilic Acid Anhydride from Japan
The cyclic anhydride derivative of benzilic acid, a white crystalline solid used in organic synthesis. Classified under HTS 2918.17.00.01 as it derives directly from the named carboxylic acid with alcohol function, per chapter provisions for anhydrides. Employed in producing pharmaceuticals and as a reagent in laboratory settings.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Include structural confirmation via NMR/IR spectra in documentation to distinguish from other anhydrides; check for stabilizer additives that might shift to note (f)
• Package in inert atmosphere to prevent hydrolysis during shipping