D-Gluconic Acid Powder USP Grade

Pharmaceutical-grade D-gluconic acid powder meets USP standards for purity, classified under HTS 2918.16.10.00 as the pure carboxylic acid with alcohol function. Used in drug formulations and as a buffering agent in pharmaceuticals.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳China6%+35.0%41%
🇲🇽Mexico6%+10.0%16%
🇨🇦Canada6%+10.0%16%
🇩🇪Germany6%+10.0%16%
🇯🇵Japan6%+10.0%16%

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

2936.29.50Lower: Free vs 41%

If chemically modified with vitamin C derivatives

Vitamin C (ascorbic acid) derivatives fall under heading 2936 for provitamins, taking precedence over acid classification.

3822Lower: 10% vs 41%

If for laboratory reagent kits containing gluconic acid

Diagnostic or lab reagents in kits classified in 3822 regardless of individual components.

2918.19.20.00Lower: 24% vs 41%

If lactic acid impurities exceed chapter note purity limits

Mixtures of isomers or impure forms may shift to other carboxylic acid headings.

Not sure which classification is right?

Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.

Import Tips & Compliance

Provide USP certificate and stereochemical analysis confirming D-isomer purity for pharmaceutical import compliance

Declare exact assay percentage (>98%) to distinguish from technical grade under same HTS

Comply with FDA prior notice requirements for pharmaceutical intermediates

Related Products under HTS 2918.16.10.00

Gluconic Acid 50% Aqueous Solution

Gluconic acid in a 50% aqueous solution is a mild organic acid derived from glucose oxidation, classified under HTS 2918.16.10.00 as a chemically defined carboxylic acid with alcohol function. It is commonly used as a chelating agent in cleaning formulations and food processing.

Technical Grade Gluconic Acid 99% Pure

High-purity technical grade gluconic acid at 99% concentration for industrial applications like metal cleaning and water treatment. Classified under HTS 2918.16.10.00 as a separate chemically defined organic compound per Chapter 29 note (a).

Food Grade Gluconic Acid Liquid

FCC-certified food grade gluconic acid liquid used as acidity regulator in beverages and dairy products. Falls under HTS 2918.16.10.00 as pure gluconic acid meeting Chapter 29 chemically defined compound requirements.

Gluconic Acid Industrial Drums

Bulk gluconic acid packaged in 55-gallon drums for manufacturing use in bottle washing and bottle rinse applications. Classified HTS 2918.16.10.00 as the pure acid, not a preparation for specific use per Chapter 29 note (e).

Pharma Gluconic Acid Crystals

Crystalline gluconic acid meeting EP/BP pharmacopeia standards for use in injectable formulations and antibiotic production. HTS 2918.16.10.00 classification as carboxylic acid with alcohol function.

Gluconic Acid Chelating Agent Solution

30% gluconic acid solution marketed as industrial chelating agent for scale removal in boilers. Pure gluconic acid qualifies for HTS 2918.16.10.00 despite application labeling.