Nitric acid; sulphonitric acids.
Hydrogen chloride (hydrochloric acid); chlorosulphuric acid. > Nitric acid; sulphonitric acids. > Nitric acid; sulphonitric acids.
Duty Rate (from China)
Products classified under Tariff item 2808.00.00.00
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.
2808.00.00Concentrated 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.
2808.00.00Dilute 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.
2808.00.00Electropolishing 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.
2808.00.00Fuming 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.
2808.00.00High-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.
2808.00.00Laboratory Grade Nitric Acid 70%
Purified nitric acid at 70% concentration, trace metal free, for analytical and laboratory use. It is a separate chemically defined compound in aqueous solution, meeting the requirements of Chapter 28 Note 1.
2808.00.00Nitric Acid 55% Industrial Cleaning Grade
55% nitric acid formulated for descaling boilers and cleaning stainless steel equipment. Despite industrial packaging, it is a chemically defined compound in aqueous solution, meeting Chapter 28 Note 1.
2808.00.00Nitric Acid 65% Semiconductor Grade
Ultra-pure nitric acid 65% for wafer cleaning in semiconductor fabrication, with metal impurities less than 1 ppb. It remains chemically defined HNO3 without excluded additives, so it is classified here.
2808.00.00Nitric Acid 68% Concentration
Nitric acid at 68% concentration, a highly corrosive fuming liquid used in fertilizer production, explosives, and metal etching. It is a chemically pure inorganic acid, classified under this tariff item.
2808.00.00Nitric Acid 70% Technical Grade
Technical-grade nitric acid at 70% concentration for general industrial use, such as cleaning and passivation of stainless steel. It is a chemically defined inorganic acid without organic content, classified under this tariff item.
2808.00.00Red Fuming Nitric Acid (RFNA)
Red fuming nitric acid (RFNA) with more than 6% dissolved nitrogen dioxide, used in bipropellant rocket fuels. It is a variant of nitric acid that remains a chemically defined compound, with the nitrogen dioxide as a dissolved impurity.
2808.00.00Sulfonitric 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.
2808.00.00Technical Grade Nitric Acid 65%
Technical grade nitric acid at 65% concentration for metal cleaning and fertilizer production. It is a standard nitric acid solution, classified under this tariff item as a chemically defined compound.
2808.00.00White Fuming Nitric Acid (WFNA)
White fuming nitric acid (WFNA) with purity greater than 97%, used for precision etching. It is pure nitric acid, meeting the definition of a separate chemically defined compound.