Sodium Persulfate 99% Pure Flakes
High-purity sodium persulfate flakes (99% Na2S2O8) for laboratory and semiconductor etching. Meets Chapter 28 chemical definition for peroxosulfates of sodium, hence HTS 2833.40.20.00. Stable white flakes with strong oxidizing properties.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If aluminum sulfate complex (alum form)
Alums with sulfate structure fall under 2833.22, distinct from simple sodium peroxosulfates.
If diagnostic reagent kit component
Lab reagents prepared for specific diagnostic use shift to Chapter 38 diagnostic preparations.
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Import Tips & Compliance
• Include COA for purity to avoid reclassification; store in cool, dry conditions per import manifests; declare exact CAS 7775-27-1 for tracking
Related Products under HTS 2833.40.20.00
Sodium Persulfate Crystals
Sodium persulfate (Na2S2O8) in crystalline form is a strong oxidizing agent used in chemical synthesis and polymerization processes. It falls under HTS 2833.40.20.00 as a peroxosulfate of sodium, chemically defined per Chapter 28 notes. Primarily imported for industrial applications like etching and bleaching.
Technical Grade Sodium Persulfate Powder
Technical grade Na2S2O8 powder, 98% purity, used in water treatment and polymer initiation. Classified under HTS 2833.40.20.00 as a chemically defined sodium peroxosulfate per Chapter 28. Not for human consumption or pharmaceutical use.
Ammonium Persulfate Alternative Sodium Grade
Sodium persulfate powder as substitute for ammonium persulfate in emulsion polymerization. HTS 2833.40.20.00 applies due to its peroxosulfate structure of sodium base. Common in adhesives and coatings production.
Sodium Persulfate for Bleaching Applications
Granular sodium persulfate designed for textile and paper bleaching. Chemically defined peroxosulfate of sodium per HTS 2833.40.20.00 and Chapter notes. Provides controlled oxygen release for oxidation.
Lab-Grade Sodium Persulfate Solution Precursor
Crystalline sodium persulfate for preparing lab solutions in radical reactions. Falls under HTS 2833.40.20.00 as pure sodium peroxosulfate. Excludes mixtures per Chapter exclusions.
Industrial Sodium Persulfate Pellets
Pelletized Na2S2O8 for easy handling in large-scale etching baths. Classified as sodium peroxosulfate under HTS 2833.40.20.00, meeting inorganic compound criteria. Used in electronics manufacturing.