Microelectronics Sodium Sulfate
Ultra-high purity sodium sulfate (Na2SO4) for wafer cleaning solutions in semiconductor fabs. This chemically defined inorganic compound is not doped for electronics use, so it remains in Chapter 28. It falls under tariff item 2833.11.00 as disodium sulphate.
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 the product is doped for electronics
Chapter note 8 excludes doped chemical elements for electronics from Chapter 28.
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 not doped; doped forms for electronics are excluded from Chapter 28
• Provide purity certificates and impurity profiles
• Consider whether the semiconductor application requires any special customs documentation
Related Products under Tariff item 2833.11.00
99.9% Pure Anhydrous Disodium Sulfate
Ultra-high purity (99.9%) anhydrous disodium sulfate for specialty glass and electronic applications requiring minimal impurities. This chemically defined compound with low chloride and heavy metals content is classified under tariff item 2833.11.00.
ACS Grade Anhydrous Sodium Sulfate
ACS reagent grade anhydrous sodium sulfate (Na2SO4) for precise laboratory syntheses and extractions. This chemically defined inorganic compound meets the purity standards of the American Chemical Society. It is classified under tariff item 2833.11.00 as disodium sulphate.
Anhydrous Sodium Sulfate
Pure disodium sulfate (Na2SO4) in anhydrous form, a chemically defined inorganic salt used in industrial processes. It is classified under this tariff item as disodium sulfate, which includes all forms of this compound.
Anhydrous Sodium Sulfate ACS Reagent
ACS reagent grade anhydrous sodium sulfate for quantitative analysis and organic synthesis drying. This pure anhydrous form under tariff item 2833.11.00 ensures accurate gravimetric standards with trace metal specifications.
Anhydrous Sodium Sulfate for Detergent Filler
Anhydrous disodium sulfate serving as an economical filler and bulk agent in powdered laundry detergents. This pure, water-free inorganic sulfate compound helps achieve desired powder density and falls under tariff item 2833.11.00.
Anhydrous Sodium Sulfate for Paper Manufacturing
Anhydrous Na2SO4 used in the kraft process for pulp digestion and as a cooking liquor component in paper production. This anhydrous inorganic sulfate is essential for cellulose fiber separation and falls under tariff item 2833.11.00.