Of ammonium
Sulfates; alums; peroxosulfates (persulfates): > Peroxosulfates (persulfates): > Other > Of ammonium
Duty Rate (from China)
Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
Products classified under HTS 2833.40.60.20
Ammonium Persulfate Powder
Ammonium persulfate (NH4)2S2O8 is a white crystalline powder used as an oxidizing agent in polymerization reactions for producing plastics and adhesives. It falls under HTS 2833.40.60.20 as a peroxosulfate of ammonium, chemically defined per Chapter 28 notes. This industrial chemical initiates free radical reactions in aqueous systems.
Ammonium Persulfate Crystals
Crystalline form of ammonium persulfate used in etching solutions for printed circuit boards and metal surface treatment. Classified under HTS 2833.40.60.20 as an ammonium peroxosulfate meeting chemical definition requirements. Provides strong oxidizing power in aqueous and non-aqueous media.
Technical Grade Ammonium Persulfate
Technical grade ammonium persulfate (99% purity) for industrial bleaching of textiles and paper pulp. HTS 2833.40.60.20 covers this peroxosulfate salt of ammonium per Chapter notes. Strong oxidizer that decomposes to generate sulfate radicals.
Ammonium Persulfate Flakes
Flake form of ammonium persulfate for convenient handling in water treatment and wastewater oxidation processes. Falls under HTS 2833.40.60.20 as chemically defined ammonium peroxosulfate. Dissolves readily to provide persulfate ions for advanced oxidation.
ACS Reagent Ammonium Persulfate
ACS reagent grade ammonium persulfate (99.99% pure) for laboratory polymerization and biochemical applications. Precisely classified under HTS 2833.40.60.20 as ammonium peroxosulfate meeting analytical standards. Used in gel electrophoresis and radical initiations.
Ammonium Persulfate Prills
Prilled ammonium persulfate for mining explosives initiation and soil remediation applications. HTS 2833.40.60.20 specifically covers ammonium peroxosulfates in all physical forms. Provides controlled oxygen release for oxidation reactions.
Photo Grade Ammonium Persulfate
High purity photo grade ammonium persulfate for etching photoresists in semiconductor manufacturing. Classified HTS 2833.40.60.20 as chemically pure ammonium peroxosulfate. Critical for microelectronics fabrication processes.
Battery Grade Ammonium Persulfate
Battery grade ammonium persulfate used in lithium-ion battery electrode preparation and conductive polymer synthesis. HTS 2833.40.60.20 for ammonium peroxosulfates chemically defined. Ensures low metal impurities for electrochemical applications.
Polymerization Grade Ammonium Persulfate
Special polymerization grade ammonium persulfate for acrylic emulsion production and latex manufacturing. Under HTS 2833.40.60.20 as ammonium peroxosulfate per Chapter 28 definitions. Provides consistent radical generation at controlled temperatures.