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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%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%

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