Effervescent Citric Acid Base from Canada
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 — Canada → United States
16%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
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