Yellow Mercuric Oxide Powder
Yellow mercuric oxide (HgO) is a chemically defined inorganic compound of mercury used primarily in the production of mercury batteries and as a chemical reagent. It falls under HTS 2852.10.10.00 as it is explicitly listed as mercuric oxide, meeting the 'chemically defined' criteria per subheading note for Chapter 28. This bright yellow powder is handled with extreme care due to its toxicity.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If containing less than 95% mercury content or as mercury residue
Amalgams or mercury compounds not meeting chemical purity fall under separate mercury headings excluding amalgams.
If imported as part of a chemical mixture or preparation for lab use
Mixtures containing mercuric oxide are classified as chemical preparations rather than pure compounds.
If pre-incorporated into finished battery cells
When embedded in electrical batteries, classification shifts to the complete article under Chapter 85.
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Import Tips & Compliance
• Obtain EPA approvals and TSCA certifications prior to import due to mercury toxicity regulations under TSCA
• Provide detailed Safety Data Sheets (SDS) and ensure packaging complies with UN hazardous materials standards
• Verify purity certificates to confirm it meets 'chemically defined' status and avoid reclassification as waste
Related Products under HTS 2852.10.10.00
Red Mercuric Oxide Crystals
Red mercuric oxide (HgO) in crystalline form serves as an analytical reagent and pigment precursor in specialized applications. Classified under HTS 2852.10.10.00 as mercuric oxide, a chemically defined mercury compound per Chapter 28 notes. The red variant differs from yellow in crystal structure but shares identical chemical composition.
Mercuric Cyanide Laboratory Grade
Mercuric cyanide (Hg(CN)2) is a highly toxic white crystalline compound used in gold mining extraction and organic synthesis. It qualifies for HTS 2852.10.10.00 as a chemically defined mercury compound explicitly named in the subheading. Strict handling protocols are required due to its extreme poison hazard.
Mercuric Oxycyanide Reagent
Mercuric oxycyanide (Hg(CN)2·HgO) serves as a specialized reagent in qualitative analysis and pharmaceutical intermediates. This compound is explicitly listed under HTS 2852.10.10.00 as a chemically defined mercury compound meeting Chapter 28 purity standards. Its dual oxide-cyanide structure requires precise compositional verification.
Mercuric Potassium Cyanide Crystals
Mercuric potassium cyanide (K2[Hg(CN)4]) is used in electroplating baths and as an intermediate in heavy metal separations. Explicitly named in HTS 2852.10.10.00 as a chemically defined complex cyanide of mercury and potassium. The double salt structure distinguishes it from simple mercuric cyanide.
Pharmaceutical Grade Mercuric Oxide
High-purity mercuric oxide meeting USP standards for use in ophthalmic preparations and antiseptics. Still classified under HTS 2852.10.10.00 as the pure chemical compound despite pharmaceutical end-use. Purity exceeds 99.5% with controlled particle size for medical applications.
Mercuric Cyanide Gold Extraction Grade
Technical grade mercuric cyanide optimized for amalgamation processes in small-scale gold recovery. Meets HTS 2852.10.10.00 chemically defined criteria despite industrial impurities <1%. Supplied in sealed drums for mining operations.