Effervescent Citric Acid Base
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.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If sold as complete effervescent tablet set
Medicinal sets/presentations with acid + base classified as medicaments in Chapter 30.
If nitrosated derivative form
Different nitrogen function would move to later numerical heading per classification note.
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Import Tips & Compliance
• 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
Related Products under HTS 2918.14.00.00
Citric Acid Monohydrate USP Grade
Citric acid monohydrate (C6H8O7·H2O) retains the core tricarboxylic acid structure with alcohol function, classified under HTS 2918.14.00.00 as the hydrated form of the pure compound. USP grade meets pharmaceutical standards for purity and is used in effervescent tablets and syrups. The water of hydration does not alter its classification per chapter notes.
Pharmaceutical Citric Acid Anhydrous BP
BP-grade anhydrous citric acid for pharmaceutical applications is classified under HTS 2918.14.00.00 due to its pure tricarboxylic acid with alcohol function. Used as buffering agent in injectables, effervescent formulations, and vitamin C production. British Pharmacopoeia standards confirm its status as a separate chemically defined compound.
Granular Citric Acid with Stabilizer
Granular citric acid with added stabilizer (per note f) for preservation during transport remains under HTS 2918.14.00.00. The anticaking agent is minimal and necessary, not rendering it for specific use. Ideal for long-haul shipments to baking and confectionery industries.
Citric Acid Technical Grade
Technical grade citric acid (99% purity) for industrial uses like detergents and metal cleaning is classified under HTS 2918.14.00.00 as the chemically defined compound. Lower purity than food/pharma grades but still meets chapter note (a) for separate organic compounds with impurities.
Citric Acid for Cosmetics
Cosmetic-grade citric acid used for pH adjustment in lotions, shampoos, and peels falls under HTS 2918.14.00.00 as the pure organic compound with alcohol function. High purity ensures skin safety and stability in formulations.
Citric Acid with Anti-Dusting Agent
Citric acid treated with minimal anti-dusting agent (e.g., mineral oil <0.1%) per chapter note (g) for safety/identification, classified under HTS 2918.14.00.00. Used in bulk handling for food processing where dust control prevents explosion hazards.