Sulfonitric Acid Mixture
Sulfonitric acid, a freshly prepared mixture of concentrated nitric and sulfuric acids used for nitration in explosives and dyes. It is explicitly named in the tariff item as 'sulphonitric acids' and is classified here.
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:
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
• Provide the exact ratio of nitric to sulfuric acid in the mixture
• Ensure the product is not put up as a set with other chemicals, which could trigger Section Note 3
• Check with the CBSA for any restrictions on explosives precursors
Related Products under Tariff item 2808.00.00
Azeotropic Nitric Acid 68.5%
Azeotropic nitric acid at 68.5% concentration, a constant-boiling mixture used as a laboratory standard. It is a separate chemically defined compound (HNO3) in aqueous solution, meeting the requirements of Chapter 28 Note 1.
Concentrated Nitric Acid 68%
High-purity nitric acid with 68% concentration, chemically defined as HNO3, used in industrial nitration and metal etching. It is a simple inorganic acid, classified under this tariff item.
Dilute Nitric Acid 10% Solution
A 10% aqueous solution of nitric acid, used for pH adjustment and cleaning. As a dilute solution of a chemically defined compound in water, it falls under Chapter 28 Note 1(b) and is classified in this tariff item.
Electropolishing Nitric Acid 50%
A 50% nitric acid solution formulated for electropolishing stainless steel. The acid base is chemically defined and the solution is simply an aqueous dilution, so it remains within the scope of Chapter 28.
Fuming Nitric Acid 98%
Fuming nitric acid at 98% concentration, containing dissolved nitrogen oxides. It is a form of nitric acid that meets the definition of a separate chemically defined compound, with the dissolved gases considered impurities or stabilizers.
High-Test Peroxide Nitric Acid Blend
A specialty sulfonitric acid variant with added peroxide for advanced nitration. The product is a mixture of nitric acid, sulfuric acid, and hydrogen peroxide, which may not meet the definition of a separate chemically defined compound.