Potassium Periodate Powder
Potassium periodate powder is a high-purity, chemically defined potassium salt of periodic acid (KIO4), used in analytical chemistry, dye synthesis, and as a pharmaceutical intermediate. The powder is highly oxidizing and stable under normal conditions. It is classified under tariff item 2829.90.00 as an 'other' periodate.
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 |
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If the product contains gold compounds
Section note 1(B) requires classification in heading 28.43 for gold compounds, but this is a potassium salt.
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
• For pharmaceutical or analytical use, keep a certificate of analysis to confirm purity and chemically defined status
• Verify whether the product requires a controlled substances permit if used as a precursor in drug synthesis
• Shipments should be labelled as oxidizers under TDG regulations
Related Products under Tariff item 2829.90.00
ACS Reagent Sodium Bromate
ACS reagent-grade sodium bromate for analytical chemistry and laboratory oxidations. This chemically defined sodium salt is classified under tariff item 2829.90.00 as an 'Other' bromate.
Ammonium Bromate
Ammonium bromate is an unstable ammonium salt of bromic acid (NH4BrO3), used in analytical chemistry and water treatment formulations as an oxidizing agent. As a chemically defined ammonium salt, it qualifies for classification in Chapter 28. It is classified under tariff item 2829.90.00 as an 'other' bromate.
Barium Bromate
Barium bromate is a barium salt of bromic acid (Ba(BrO3)2), used in corrosion inhibitors and as an analytical standard. It is a chemically defined inorganic compound and a peroxysalt of an inorganic base. It is classified under tariff item 2829.90.00 as an 'other' bromate.
Bulk Potassium Bromate Crystals
Bulk potassium bromate in crystalline form, imported in large quantities for industrial use as an oxidizer in water treatment and chemical manufacturing. This chemically defined inorganic salt falls under tariff item 2829.90.00 as an 'Other' bromate of an inorganic base.
Calcium Periodate
Calcium periodate is a calcium salt of periodic acid (Ca(IO4)2), used as a disinfectant and oxidizing agent in aquaculture and water purification. It is a chemically defined inorganic compound of calcium and periodate. It is classified under tariff item 2829.90.00 as an 'other' periodate.
Food-Grade Potassium Iodate
Food-grade potassium iodate for table salt fortification, meeting FCC standards. This chemically defined iodate is classified under tariff item 2829.90.00 as an 'Other' iodate.