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Potassium Phenylacetate from Mexico

Potassium salt of phenylacetic acid used in pharmaceutical manufacturing and as a chemical reagent. Classified under HTS 2916.34.55.00 as 'other' phenylacetic acid salts per Chapter 29 note on inorganic salts of organic acids staying with parent acid heading. Excludes specifically named salts in prior subheadings.

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

• Confirm counterion is potassium via certificate of analysis to distinguish from sodium salt (2916.34.10)

• Ensure packaging prevents moisture absorption which could alter chemical identity during transport

• Declare exact salt form on commercial invoice to prevent reclassification as Chapter 28 inorganic salts