Glucono-Delta-Lactone Granules

Granular glucono-delta-lactone (GDL) slowly hydrolyzes to gluconic acid, classified as gluconic acid ester under HTS 2918.16.50.90. Key ingredient in tofu production and baking.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳China3.7%+25.0%28.7%
🇲🇽Mexico3.7%3.7%
🇨🇦Canada3.7%3.7%
🇩🇪Germany3.7%3.7%
🇯🇵Japan3.7%3.7%

Alternative Classifications

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

2106.90.44.00Lower: 17.5% vs 28.7%

If pre-portioned for retail baking

Food preparations in consumer packaging by use.

2918Same rate: 28.7%

If other carboxylic acid derivatives

Lactones sometimes classified with other acid derivatives.

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

Particle size (20-60 mesh) specification affects hydrolysis rate declarations

Kosher/Halal certification essential for food industry customers

Related Products under HTS 2918.16.50.90

Calcium Gluconate USP Powder

Calcium gluconate is the calcium salt of gluconic acid, a carboxylic acid with alcohol function, classified under HTS 2918.16.50.90 as 'other' gluconic acid salts. It is widely used as a dietary supplement and pharmaceutical for calcium deficiency treatment.

Ferrous Gluconate Dihydrate

Ferrous gluconate is the iron(II) salt of gluconic acid, fitting HTS 2918.16.50.90 for other gluconic acid salts per Chapter 29 note on inorganic salts of organic acids. Commonly used in iron supplements for anemia treatment.

Gluconic Acid 50% Aqueous Solution

Technical grade gluconic acid dissolved in water at 50% concentration, allowed under Chapter 29 note (d) for products of this chapter dissolved in water. Classifies under HTS 2918.16.50.90 as other gluconic acid, used in food and cleaning applications.

Magnesium Gluconate Pharmaceutical Grade

Magnesium gluconate, the magnesium salt of gluconic acid, classified as other gluconic acid salts under HTS 2918.16.50.90 per Chapter 29 salt classification rules. Used in magnesium supplements and parenteral nutrition.

Potassium Gluconate Crystals USP

Potassium gluconate crystals meet USP standards as the potassium salt of gluconic acid, properly classified under HTS 2918.16.50.90 for other gluconic salts. Essential for potassium supplementation in low-sodium diets.

Zinc Gluconate Hydrate BP Grade

Zinc gluconate hydrate, British Pharmacopoeia grade, is the zinc salt of gluconic acid classified under HTS 2918.16.50.90 as other gluconic salts. Used in lozenges for cold symptom relief and immune support.