Mercuric Tannate
Mercuric tannate is a tannate compound of mercury employed historically in pharmaceutical formulations and as a tanning agent preservative. It is specifically listed under HTS 2852.90.0500 for tannates of mercury. This compound appears as a dark precipitate and demands rigorous toxicity controls.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If when used as synthetic organic tanning substance
Tannates functioning primarily as tanning extracts shift to Chapter 32 for leather processing chemicals.
If in finished medicinal dose form
Pharmaceutical preparations containing mercury tannates classify under Chapter 30.
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Import Tips & Compliance
• Secure FDA import alert clearance if for pharmaceutical residue use; use triple-layered moisture-proof containers; document CAS registry number 10290-72-1 for customs verification
Related Products under HTS 2852.90.05.00
Mercuric Phosphate
Mercuric phosphate is an inorganic phosphide compound of mercury used in specialized laboratory applications and as a reagent in chemical synthesis. It falls under HTS 2852.90.0500 as a phosphide of mercury, chemically defined per Chapter 28 notes. This white to yellow powder is handled with extreme care due to mercury toxicity.
Mercurous Phosphide Powder
Mercurous phosphide is a phosphide of mercury in powdered form, utilized in pyrotechnic compositions and analytical chemistry. Classified under HTS 2852.90.0500 as a mercury phosphide, meeting the 'chemically defined' criteria from subheading note. It requires stringent safety protocols during import.
Mercury Albuminate
Mercury albuminate, an albuminates of mercury, serves in biochemical research and as a protein-mercury complex standard. Covered by HTS 2852.90.0500 as albuminates of mercury, chemically defined inorganic-organic compound. It is typically supplied in stabilized aqueous solutions.
Mercuric Phosphide Crystals
High-purity mercuric phosphide crystals used in semiconductor doping research and phosphor production. This phosphide of mercury qualifies for HTS 2852.90.0500 as a chemically defined mercury compound. Crystals are grown via chemical vapor transport methods.
Mercurous Tannate Precipitate
Mercurous tannate precipitate functions as a reagent in qualitative analysis for protein detection in forensics. Listed under HTS 2852.90.0500 for tannates of mercury. The brownish precipitate forms specific reactions with biological materials.
Pharmaceutical Mercuric Albuminate
Pharmaceutical-grade mercuric albuminate used in historical topical antiseptics and vaccine preservatives. Classifies under HTS 2852.90.0500 as albuminates of mercury. Supplied as sterile lyophilized powder for reconstitution.