Potassium Persulfate Crystals

Potassium persulfate (K2S2O8) crystals initiate polymerization in adhesives and initiate bleaching, HTS 2833.29.51.90 for other persulfates. Strong oxidizer properties confirmed.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳China3.7%+25.0%28.7%
🇲🇽Mexico3.7%3.7%
🇨🇦Canada3.7%3.7%
🇩🇪Germany3.7%3.7%
🇯🇵Japan3.7%3.7%

Alternative Classifications

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

2833.40.20.00Higher: 38.7% vs 28.7%

If ammonium or potassium persulfates specifically

Statistical suffixes exist for common persulfates.

3907.91Lower: 16.5% vs 28.7%

If pre-polymerized resin results

Resulting polymers from persulfate initiation classify under Chapter 39.

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

UN 1490 classification with oxidizing agent labels

Batch certificates showing assay >99%

Temperature-controlled shipping below 50°C

Related Products under HTS 2833.29.51.90

Sodium Lauryl Sulfate Powder

Sodium lauryl sulfate (SLS) is an anionic surfactant classified as a sulfate of sodium under HTS 2833.29.51.90 due to its chemical structure featuring a sulfate group bonded to a lauryl chain. It is widely used in shampoos, soaps, and detergents for its foaming and cleansing properties.

Zinc Sulfate Heptahydrate Crystals

Zinc sulfate heptahydrate (ZnSO4·7H2O) is a colorless crystalline sulfate salt used in fertilizers and animal feed supplements, classified under HTS 2833.29.51.90 as an 'other' sulfate. Its chemical definition as a metal sulfate places it distinctly in Chapter 28.

Manganese Sulfate Monohydrate Powder

Manganese sulfate monohydrate (MnSO4·H2O) is a pale pink powder used as a micronutrient in fertilizers and batteries, falling under HTS 2833.29.51.90 for other sulfates. It qualifies as a chemically defined inorganic metal sulfate per Chapter 28 notes.

Copper Sulfate Pentahydrate Crystals

Copper sulfate pentahydrate (CuSO4·5H2O), known as blue vitriol, is used in agriculture as a fungicide and in electroplating, classified in HTS 2833.29.51.90 as other sulfates. Its defined chemical structure as a copper salt confirms Chapter 28 placement.

Ferrous Sulfate Heptahydrate Granules

Ferrous sulfate heptahydrate (FeSO4·7H2O) granules serve as an iron supplement in water treatment and animal nutrition, under HTS 2833.29.51.90 for other sulfates. Excluded from Chapter 31 as a pure chemically defined compound.

Nickel Sulfate Hexahydrate Solution

Nickel sulfate hexahydrate (NiSO4·6H2O) in aqueous solution is used in electroplating and catalyst production, classified under HTS 2833.29.51.90 as other sulfates. Remains in Chapter 28 despite solution form if chemically defined.