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.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If simple ammonium chlorates instead
Chlorates classified under 2829, distinct from persulfates in 2833.
If blended with stabilizers exceeding 1% organics
Organic admixtures push classification to chemical mixtures in 3824.
If complex cyanogen compounds of ammonium
Chapter note 2(e) excludes certain ammonium cyanogen derivatives to 2853.
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Import Tips & Compliance
• Confirm flake form doesn't alter chemical classification; include stability data for DOT shipping; watch for anti-dumping duties from certain origins
Related Products 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.
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.