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L-Aspartic Acid Monohydrate Powder

L-Aspartic acid in monohydrate crystalline form (C4H7NO4·H2O) for pharmaceutical and supplement applications. Remains classified under HTS 2922.49.49.15 as the hydrate doesn't alter its chemical definition as pure L-aspartic acid. The water of crystallization is incidental per Chapter 29 solvent notes.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳China4.2%+133.3%137.5%
🇲🇽Mexico4.2%+105.8%110%
🇨🇦Canada4.2%+105.8%110%
🇩🇪GermanyFree+20.8%20.8%
🇯🇵JapanFree+23.3%23.3%

Alternative Classifications

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

2922.50Lower: 19% vs 137.5%

If neutralized as sodium L-aspartate

Organic acid salts classify with the base component per Chapter 29 note on salts.

2847.00.00.00Lower: 41.2% vs 137.5%

If complexed with coloring impurities

Chapter 29 excludes coloring matters; impure lots shift to Chapter 28 inorganic salts.

3105.30.00.00Lower: 25% vs 137.5%

If marketed as diammonium phosphate fertilizer blend

Fertilizer preparations containing amino acids classify under Chapter 31.

Not sure which classification is right?

The Tariff Assistant works through the GRI rules on your specific product to reach the right HTS code — and can price the duty on it in the same conversation.

Import Tips & Compliance

• Specify hydrate water content via Karl Fischer titration (<12%) to maintain pure compound status

• Use UN 3077 packaging for 1000kg+ bulk to meet DOT transport requirements

• Validate optical rotation [+24°] confirms L-isomer during customs exam