Technical Grade Aluminum Sulfate

Technical grade aluminum sulfate, typically 17% Al2O3 basis, serves as a flocculant in municipal water treatment plants. It is a chemically defined sulfate of aluminum, fitting HTS 2833.22.00.00 per Chapter 28 definitions.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳ChinaFree+35.0%35%
🇲🇽MexicoFree+10.0%10%
🇨🇦CanadaFree+10.0%10%
🇩🇪GermanyFree+10.0%10%
🇯🇵JapanFree+10.0%10%

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

2833.19.00.00Same rate: 35%

If primarily disodium sulfate with aluminum impurities

Classification follows principal salt if not purely aluminum sulfate.

3802.90.50Higher: 39.8% vs 35%

If activated for use as a mordant in activated bleaching earth

Sulfate-treated mineral substances for specific uses shift to Chapter 38.

2843.10.00.00Higher: 40.5% vs 35%

If colloidal suspension rather than dry powder

Colloidal precious metal or inorganic dispersions fall under heading 2843.

Not sure which classification is right?

Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.

Import Tips & Compliance

Provide assay certificates showing aluminum content for customs valuation; ensure EPA compliance labels for water treatment chemicals; avoid bulk shipments without proper segregation from organics

Related Products under HTS 2833.22.00.00

Aluminum Sulfate Octadecahydrate

Aluminum sulfate octadecahydrate (Al2(SO4)3·18H2O) is a chemically defined inorganic salt of aluminum used primarily in water purification and wastewater treatment as a coagulant. It falls under HTS 2833.22.00.00 as a sulfate of aluminum, distinct from other metal sulfates in heading 2833.

Anhydrous Aluminum Sulfate

Anhydrous aluminum sulfate (Al2(SO4)3) is the dehydrated form of this aluminum salt, used in industrial applications like paper sizing and flame retardants. Classified under HTS 2833.22.00.00 specifically as a sulfate of aluminum.

Alum Cake (Aluminum Sulfate Byproduct)

Alum cake is a solid byproduct form of aluminum sulfate from water treatment, containing the chemically defined Al2(SO4)3 compound. It remains classified under HTS 2833.22.00.00 as an aluminum sulfate.

Liquid Aluminum Sulfate Solution 48%

Liquid aluminum sulfate solution at 48% concentration is an aqueous form of the aluminum salt used for coagulation in industrial processes. Despite being in solution, the chemically defined compound places it under HTS 2833.22.00.00.

Granular Aluminum Sulfate for Paper Sizing

Granular aluminum sulfate specifically formulated for rosin sizing in paper production reacts with resins to improve water resistance. As a pure sulfate of aluminum, it is classified in HTS 2833.22.00.00.

Pharmaceutical Grade Aluminum Sulfate

USP-grade aluminum sulfate meets strict purity standards for pharmaceutical applications like astringents in topical formulations. Its chemically defined nature as an aluminum sulfate confirms HTS 2833.22.00.00 classification.