Chromium Trioxide Anhydrous Powder
Pure chromium trioxide (CrO3) in anhydrous powder form, a chemically defined inorganic compound used primarily in chrome plating and as an oxidizing agent in chemical synthesis. It falls under HTS 2819.10.00.00 as chromium trioxide, distinct from other chromium oxides or hydroxides.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If containing more than 3% water by weight
Hydrated forms exceeding 3% water are classified as chromium hydroxides under 2829, not anhydrous trioxide.
If put up as a pickling preparation for metals
When formulated specifically for metal pickling with organic stabilizers, it shifts to Chapter 38 preparations.
If mixed with organic substances as a chemical preparation
Mixtures not meeting 'chemically defined' criteria per Chapter 28 Note 1 fall under generic chemical mixtures in 3824.
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Import Tips & Compliance
• Verify purity certificates to confirm 'chemically defined' status per Chapter 28 notes; ensure HAZMAT shipping compliance due to its corrosive and toxic nature; obtain EPA TSCA pre-manufacture notice if used in new applications
Related Products under HTS 2819.10.00.00
Technical Grade Chromium Trioxide Flakes
Technical-grade chromium trioxide in red flake form, used in anodizing aluminum and pigment manufacturing. Classified under HTS 2819.10.00.00 as a pure chromium trioxide compound meeting Chapter 28 definitions for inorganic oxides.
Chromium Trioxide 99.9% Pure Crystals
High-purity chromium trioxide crystals (99.9% CrO3) for laboratory and etching applications in electronics. It is specifically chromium trioxide under HTS 2819.10.00.00, as a chemically defined inorganic compound per Chapter 28 notes.
Industrial Chromium Trioxide Granules
Granular chromium trioxide for industrial oxidation processes and wood preservation. Falls under HTS 2819.10.00.00 as the specific subheading for chromium trioxide, a key chromium oxide.
Lab-Grade Chromium Trioxide Solution Precursor
Dry lab-grade chromium trioxide powder intended for dissolution into chromic acid solutions. Classified in HTS 2819.10.00.00 as pure chromium trioxide, not as a solution or preparation.
Electroplating Grade Chromium Trioxide
High-purity chromium trioxide optimized for decorative and hard chrome electroplating baths. It is chromium trioxide under HTS 2819.10.00.00, meeting the chemically defined inorganic oxide criteria.
Anodizing Chromium Trioxide Powder
Specialty powder chromium trioxide for type II anodizing of aluminum alloys. Specifically classified as chromium trioxide in HTS 2819.10.00.00 within the chromium oxides and hydroxides heading.