Pharmaceutical Grade Dipotassium Carbonate USP from Japan
USP-grade dipotassium carbonate meeting pharmacopeia standards for use in effervescent tablets and pH adjustment in drugs. Falls under HTS 2836.40.10.00 as a pure, chemically defined potassium carbonate per Chapter 28 notes. Packaged in sterile, low-moisture containers.
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 USP certificate and FDA prior notice for pharma chemicals
• Ensure GMP compliance documentation to avoid biotech reclassification
• Test for heavy metals; impurities over limits may require 2844 if radioactive