Arsenic Acid Anhydride Powder
Anhydrous arsenic acid powder, also known as arsenic pentoxide when dehydrated, is a chemically defined inorganic compound used in electronics etching. It is classified as an inorganic acid of a non-metal under Chapter 28, meeting the criteria of Note 1(a) to Chapter 28.
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 |
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If the product is specifically silicon dioxide
Silicon dioxide is a separate inorganic oxygen compound of non-metals with its own subheading.
If the product is a double or complex salt
Double or complex salts of inorganic acids are classified 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 chemically defined and free from organic additives to qualify under this tariff item
• Provide a safety data sheet (SDS) and proper UN classification for hazardous goods to the CBSA
• Verify if a permit is required under the Chemicals Management Plan
Related Products under Tariff item 2811.19.00
33% Hydrobromic Acid in Acetic Acid
A 33% hydrobromic acid solution in glacial acetic acid is a chemically defined inorganic acid, but the solvent is not water. Under Chapter Note 1(c), it qualifies if the acetic acid is a normal and necessary method of putting up for safety or transport and does not render the product suitable for specific use.
48% Hydrobromic Acid Solution
A 48% aqueous solution of hydrogen bromide gas (HBr) is a chemically defined inorganic acid in water. It is classified under this tariff item as an other inorganic acid of a non-metal, per Chapter Note 1(b).
Anhydrous Hydrobromic Acid Gas Cylinder
Anhydrous HBr gas in steel cylinders is a chemically defined inorganic acid in gaseous form. It is classified under this tariff item as an other inorganic acid of a non-metal, as it is not excluded by Chapter Notes.
Arsenic Acid for Flame Retardant Synthesis
Purified arsenic acid used for synthesizing flame retardants in plastics is a chemically defined inorganic acid. It is not a finished flame retardant product, so it falls under this tariff item as an other inorganic acid of a non-metal.
Arsenic Acid H3AsO4 (99% Purity)
Arsenic acid (H3AsO4) at 99% purity is a colorless to white crystalline solid used in chemical synthesis and as a reagent. It is a separate chemically defined compound of a non-metal, qualifying under this tariff item.
Arsenic Pentoxide Solution (50% Aqueous)
An aqueous solution of arsenic pentoxide (As2O5), equivalent to arsenic acid, is used in glass manufacturing and wood preservation. As a solution of a chemically defined inorganic compound in water, it falls under this tariff item per Chapter Note 1(b).