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Technical Grade Dipotassium Phosphate

Technical grade dipotassium phosphate (K2HPO4) is a chemically defined potassium phosphate salt used in water treatment and as a laboratory reagent. It falls under this tariff item as a phosphate of potassium.

Import Duty Rates by Country of Origin

Origin CountryMFN TariffSurtaxesTotal Effective Rate
🇨🇳ChinaFree—Free
🇲🇽MexicoFree—Free
🇺🇸United StatesFree—Free
🇩🇪GermanyFree—Free
🇯🇵JapanFree—Free

More Specific Codes

This product may fall under a more specific subheading:

Alternative Classifications

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

2835.22.00Same rate: Free

If the product is actually disodium phosphate

Disodium phosphate is a sodium salt and classified under a different tariff item.

Not sure which classification is right?

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

Import Tips & Compliance

• Ensure the product is free of organic impurities that could shift classification to Chapter 38

• Provide a certificate of analysis and technical data sheet

• If used in water treatment, verify if any environmental regulations apply

Related Products under Tariff item 2835.24.00

Dipotassium Phosphate (DKP)

Dipotassium phosphate (K2HPO4) is a chemically defined inorganic salt of potassium and phosphoric acid. It is used as a buffering agent and nutrient in food, beverage, and pharmaceutical applications, and qualifies as a phosphate of potassium under this tariff item.

Disodium Potassium Phosphate

Disodium potassium phosphate is a mixed salt containing both sodium and potassium cations. Although it contains potassium, it is not a single chemically defined potassium phosphate; it may be classified as a complex salt or under another phosphate heading depending on its exact composition.

Food-Grade Monopotassium Phosphate

Food-grade monopotassium phosphate (KH2PO4) is a chemically defined potassium phosphate salt meeting FCC purity specifications. Its use as an acidity regulator in food does not alter its classification as a phosphate of potassium under this tariff item.

Monopotassium Phosphate (MKP)

Monopotassium phosphate (KH2PO4) is a chemically defined inorganic salt used as a fertilizer and reagent. It is a phosphate of potassium and falls squarely under this tariff item, regardless of its agricultural application.

Potassium Dihydrogen Phosphate

Potassium dihydrogen phosphate is another name for monopotassium phosphate (KH2PO4). It is a chemically defined potassium phosphate salt used in fertilizers and as a laboratory reagent, classifiable under this tariff item.

Potassium Orthophosphate

Potassium orthophosphate (K3PO4) is a chemically defined tribasic potassium phosphate salt. It is used in fire retardants and industrial applications, and qualifies as a phosphate of potassium under this tariff item.