Anhydrous Strontium Hydroxide
Anhydrous strontium hydroxide (Sr(OH)2) is a white, highly reactive inorganic base used in organic synthesis and sugar refining. As a separate chemically defined compound of strontium, it falls squarely under tariff item 2816.40.00 for oxides, hydroxides and peroxides of strontium or barium.
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 the product is a double or complex salt of strontium
Chapter 28 Note 5 classifies double or complex salts under heading 28.42.
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
• Ensure the product is pure strontium hydroxide without organic additives, as Chapter 28 covers only separate chemically defined compounds
• Provide a safety data sheet (SDS) to the CBSA if required, as strontium hydroxide is corrosive
• Verify the Canadian duty rate for 2816.40.00 before shipping, as rates may differ from other countries
Related Products under Tariff item 2816.40.00
Anhydrous Barium Hydroxide
Anhydrous barium hydroxide (Ba(OH)2) is a reactive white powder used in laboratory settings and barium salt production. As a separate chemically defined hydroxide of barium, it falls under tariff item 2816.40.00.
Barium Hydroxide for Sugar Refining
Specialty barium hydroxide used in beet sugar purification is a chemically defined hydroxide of barium. It is used to remove impurities in sugar refining and falls under tariff item 2816.40.00.
Barium Hydroxide Monohydrate
Barium hydroxide monohydrate (Ba(OH)2·H2O) is a granular form used in organic synthesis and sugar refining. As a hydrate of barium hydroxide, it is a separate chemically defined compound covered by tariff item 2816.40.00.
Barium Hydroxide Octahydrate
Barium hydroxide octahydrate (Ba(OH)2·8H2O) is a white crystalline powder used in chemical manufacturing and depilatory agents. As a hydrate of barium hydroxide, it is classified under tariff item 2816.40.00.
Barium Oxide (Baryta)
Barium oxide (BaO), also known as baryta, is a white to yellowish powder used in ceramics, glass, and as a dehydrating agent. As a separate chemically defined oxide of barium, it is classified under tariff item 2816.40.00.
Barium Peroxide Powder
Barium peroxide powder (BaO2) is a grayish-white powder used as a bleach and oxidizing agent in pyrotechnics and glass manufacturing. As a peroxide of barium, it is covered by tariff item 2816.40.00.