Diammonium Potassium Persulfate
A double salt combining potassium persulfate with ammonium, used in etching and polymerization applications. It is a peroxosulfate, falling under tariff item 2833.40.00 as a peroxosulfate (persulfate).
Import Duty Rates by Country of Origin
| Origin Country | MFN Tariff | Surtaxes | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | — | Free |
| 🇲🇽Mexico | Free | — | Free |
| 🇺🇸United States | Free | — | Free |
| 🇩🇪Germany | Free | — | Free |
| 🇯🇵Japan | Free | — | 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.
If considered a complex salt
Complex salts may fall under heading 28.42 per Chapter note 5.
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
• Confirm the product is a peroxosulfate double salt
• Classify as 2833.40.00
• Provide detailed chemical composition to customs
Related Products under Tariff item 2833.40.00
ACS Reagent Potassium Persulfate
ACS-grade potassium persulfate for laboratory oxidations and analysis. It is a chemically defined peroxosulfate of potassium, classified under tariff item 2833.40.00.
Ammonium Persulfate Alternative Sodium Grade
Sodium persulfate powder used as a substitute for ammonium persulfate in emulsion polymerization. It is a chemically defined peroxosulfate of sodium, falling under tariff item 2833.40.00 as a peroxosulfate (persulfate).
Ammonium Persulfate Powder
Ammonium persulfate ((NH4)2S2O8) in granular or powder form, a strong oxidizing agent used as a radical initiator in polymerizations. It is a chemically defined peroxosulfate of ammonium, falling under tariff item 2833.40.00.
Disodium Peroxosulfate
Disodium peroxosulfate (Na2S2O8) used in hair bleaching and as a flour treatment agent. It is a chemically defined peroxosulfate of sodium, classified under tariff item 2833.40.00.
Food-Contact Safe Potassium Persulfate
Purified potassium persulfate approved for indirect food contact in processing aids. It is a chemically defined peroxosulfate of potassium, falling under tariff item 2833.40.00.
Industrial Sodium Persulfate Pellets
Pelletized sodium persulfate (Na2S2O8) designed for easy handling in large-scale etching baths. It is a chemically defined peroxosulfate of sodium, classified under tariff item 2833.40.00.