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.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If part of immunological product mixtures
Chapter exclusion (e) sends immunological products to heading 3002 regardless of citric acid content.
If for lab diagnostic reagents
Composite diagnostic reagents containing citric acid classified as prepared lab reagents.
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Import Tips & Compliance
• Submit FDA Type II DMF if US pharma end-use; include BP monograph compliance certificate
• Heavy metal limits (<1ppm) critical—test and document to prevent CBP holds
• Package in HDPE drums with desiccants; declare EP/BP/USP equivalence on entry docs
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.
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.
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.
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.