Mercuric Iodide Red Crystals
Red mercuric iodide crystals are used in thermometers, infrared detectors, and as a chemical reagent. Although it is a mercury compound, it is classified as an iodide under heading 28.27, not under heading 28.52, because it is not put up in measured doses or for retail sale.
Import Duty Rates by Country of Origin
| Origin Country | MFN Tariff | Surtaxes | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | — | Free |
| 🇲🇽Mexico | Free | — | Free |
| 🇺🇸United States | Free | — | Free |
| 🇩🇪Germany | Free | — | Free |
| 🇯🇵Japan | Free | — | Free |
More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If put up in measured doses or for retail sale
Section note 2 directs goods answering to a description in heading 28.52 to be classified there if put up in measured doses or for retail sale.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right tariff item — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Mercury compounds are subject to special import restrictions under Canadian environmental regulations
• Obtain any required permits from Environment and Climate Change Canada before importing
• Clearly label the product with its mercury content
Related Products under Tariff item 2827.60.00
ACS Reagent Potassium Iodide
ACS reagent potassium iodide is a high-purity chemical used in analytical chemistry laboratory work. As a chemically defined potassium iodide meeting stringent purity standards, it falls under this tariff item for iodides.
Ammonium Iodide Crystals
Ammonium iodide crystals are used as expectorants in pharmaceuticals, photographic chemicals, and feed additives. As an ammonium salt of iodine, this chemically defined compound falls under the tariff item for iodides.
Barium Iodide Hydrate
Barium iodide dihydrate is a chemically defined inorganic compound used in scintillation detectors and as a reagent in analytical chemistry. It falls under tariff item 2827.60.00 as an iodide of an inorganic base, with the water of hydration not altering its classification.
Calcium Iodide Anhydrous
Calcium iodide anhydrous is a white crystalline salt used in pharmaceutical manufacturing and as a feed additive for livestock. It is a chemically defined inorganic compound of calcium and iodine, falling under this tariff item for iodides and iodide oxides.
Calcium Iodide Dihydrate
Calcium iodide dihydrate is a hydrated form of calcium iodide used in nutritional supplements and photography chemicals. As a chemically defined inorganic compound with water of crystallization, it falls under this tariff item for iodides.
Calcium Iodide Tetrahydrate
Calcium iodide tetrahydrate is employed in X-ray contrast media precursors and iodine supplements. This chemically defined hydrated iodide falls under the tariff item for iodides and iodide oxides.