Disodium Tetraborate Anhydrous
Disodium tetraborate anhydrous is a dehydrated form of borax used in industrial applications like enamel frits and herbicides. It is classified under tariff item 2840.20.00 as an 'other borate', being a pure inorganic sodium borate that is not a peroxoborate.
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 disodium tetraborate in a hydrated form
Hydrated sodium borates are classified under the sodium borates item.
If the product contains peroxoborate groups
Peroxoborates are classified separately.
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 anhydrous and not a hydrate, as hydrates may have different classification implications
• Provide a certificate of analysis showing the chemical formula and purity
• If used as a herbicide, verify if it is registered under the Pest Control Products Act
Related Products under Tariff item 2840.20.00
Ammonium Pentaborate Solution
Ammonium pentaborate solution (20-40% concentration) is a chemically defined inorganic compound used as a fire retardant and boron supplement in agriculture. It qualifies as an 'other borate' under tariff item 2840.20.00, as it is not a sodium borate or peroxoborate.
Barium Borate
Barium borate is a chemically defined inorganic compound used in optical glass and X-ray screens for its refractive index control. It falls under tariff item 2840.20.00 as an 'other borate', not being a sodium borate or peroxoborate.
Cadmium Borate
Cadmium borate is a metal borate used in phosphors and specialty pigments, classified under tariff item 2840.20.00 as an 'other borate'. It is a chemically defined inorganic compound, but its cadmium content subjects it to strict regulatory controls.
Calcium Borate Precipitate
Calcium borate precipitate is a fine particulate form of calcium borate used in specialty ceramics and as a boron supplement. It is classified under tariff item 2840.20.00 as an 'other borate', being a chemically defined inorganic calcium salt.
Lead Borate
Lead borate is a metal borate used in glass-to-metal seals and radiation shielding glass due to its high density and fusion properties. It is classified under tariff item 2840.20.00 as an 'other borate', being a chemically defined inorganic lead compound.
Magnesium Borate Hydrate
Magnesium borate hydrate is a chemically defined inorganic magnesium salt used as a lubricant additive and anti-corrosion agent. It is classified under tariff item 2840.20.00 as an 'other borate', not being a sodium borate or peroxoborate.