Research Grade Ammonium Perrhenate 99.99% Pure
Ultra-high purity ammonium perrhenate for scientific research and rhenium thin film deposition. Meets Chapter 28 Note 1 criteria for chemically defined compounds, thus HTS 2841.90.20.00.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If diagnostic reagents containing ammonium perrhenate
Reagents for analysis shift to Chapter 38 diagnostic reagents.
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Import Tips & Compliance
• Include end-user statement for research institutions to expedite clearance
• Lab quantities (<5kg) may qualify for simplified documentation
• Verify no dual-use export controls apply to high-purity rhenium chemicals
Related Products under HTS 2841.90.20.00
Ammonium Perrhenate (NH4ReO4) Powder
Ammonium perrhenate is the ammonium salt of perrhenic acid, a peroxometallic acid, classified under HTS 2841.90.20.00 as a specific salt of oxometallic or peroxometallic acids. It appears as a white crystalline powder primarily used as a precursor in rhenium metal production.
High-Purity Ammonium Perrhenate for Superalloy Production
This high-purity grade (>99.99% Re) ammonium perrhenate serves as the key raw material for producing rhenium powder used in nickel-based superalloys for turbine blades. It falls under HTS 2841.90.20.00 due to its specific chemical definition as the ammonium salt of perrhenic acid.
Technical Grade Ammonium Perrhenate 99.5% Re
Technical grade ammonium perrhenate with 99.5% rhenium content is used in petroleum reforming catalysts and alloy production. Classified specifically under HTS 2841.90.20.00 as the ammonium salt within salts of oxo- or peroxometallic acids.
Ammonium Perrhenate Catalyst Precursor Flakes
Flake-form ammonium perrhenate designed for conversion to Re2O7 in catalyst manufacturing for hydrocracking. Its chemical definition as NH4ReO4 places it squarely under HTS 2841.90.20.00.