Effervescent Citric Acid Base from Japan
Pure citric acid component for effervescent formulations (combined with bicarbonate) classified under HTS 2918.14.00.00 when imported separately. Provides the acid reaction for tablets and powders used in vitamin supplements. Remains a separate chemically defined compound.
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
• Import as 'acid component only'—sets with bases go to 3004/3006; single-ingredient avoids combo rules
• Particle size (20-100 mesh) critical for effervescence; specify in contract and test
• GMP facility certification speeds FDA review for supplement end-use