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Cerium Tungstate Catalyst

Cerium tungstate (Ce2(WO4)3) serves as a heterogeneous catalyst in oxidation reactions, under HTS 2841.80.00. Its structure provides high surface area for industrial catalysis.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳China5.5%+25.0%30.5%
🇲🇽Mexico5.5%—5.5%
🇨🇦Canada5.5%—5.5%
🇩🇪Germany5.5%—5.5%
🇯🇵Japan5.5%—5.5%

More Specific Codes

This product may fall under a more specific subheading:

2841.80.00.10Of ammonium
→
2841.80.00.20Of calcium
→
2841.80.00.50Other
→

Alternative Classifications

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

3815.11.00Higher: 35% vs 30.5%

If supported on alumina

Supported catalysts classify under 3815.

2846.10.00Lower: 5.5% vs 30.5%

If pure cerium compound

Cerium compounds without tungstate fall under rare-earths.

3824Lower: 15% vs 30.5%

If spent catalyst form

Regenerated or spent materials as preparations.

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Import Tips & Compliance

• Catalyst passport with activity data prevents preparation reclassification

• Declare support material absence (<1% binder)

• EPA chemical import notification for new catalysts

Related Products under HTS 2841.80.00

Sodium Tungstate Dihydrate

Sodium tungstate dihydrate (Na2WO4·2H2O) is a white crystalline salt derived from tungstic acid, classified under HTS 2841.80.00 as a tungstate of an inorganic base. It is commonly used in the production of tungsten metal, fireproofing textiles, and as a catalyst in chemical processes.

Ammonium Tungstate Powder

Ammonium tungstate ((NH4)10W12O41·5H2O) is an ammonium salt of tungstic acid, falling under HTS 2841.80.00 for tungstates. It serves as a precursor in tungsten carbide production for cutting tools and as a source of tungsten in pigments.

Potassium Tungstate Crystals

Potassium tungstate (K2WO4) consists of large colorless crystals used in X-ray fluorescence standards and glass manufacturing. It is classified in HTS 2841.80.00 as a tungstate salt of an alkali metal base.

Calcium Tungstate Powder

Calcium tungstate (CaWO4) powder is a scintillator material used in medical imaging detectors, classified under HTS 2841.80.00 as an alkaline earth tungstate. Its high density makes it ideal for radiation detection.

Disodium Tungstate Anhydrous

Disodium tungstate anhydrous (Na2WO4) is a high-purity reagent for laboratory use in protein crystallization and corrosion inhibition. HTS 2841.80.00 covers this alkali metal tungstate salt.

Magnesium Tungstate Luminescent Grade

Magnesium tungstate (MgWO4) of luminescent grade is used in fluorescent screens and lamps, classified as a tungstate under HTS 2841.80.00. It emits blue light under electron excitation.