Laboratory Carbon Dioxide 99.999% Pure
Ultra-high purity laboratory carbon dioxide is a separate chemically defined compound, meeting Chapter 28 note 1(a). It is classifiable under tariff item 2811.21.00, with no exclusions for laboratory use.
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:
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
• Provide a certificate of analysis showing purity to support the classification
• If imported for research, consider whether end-use certificates may apply for duty relief
Related Products under Tariff item 2811.21.00
Dry Ice Blocks for Shipping
Dry ice is the solid phase of carbon dioxide, a separate chemically defined compound of non-metal oxygen. It is classified under tariff item 2811.21.00 as carbon dioxide, regardless of physical state, and is not excluded by Chapter 28 notes.
Food-Grade CO2 for Beverage Carbonation
Food-grade carbon dioxide is a pure, chemically defined inorganic compound of carbon and oxygen, meeting Chapter 28 note 1 criteria. It falls under tariff item 2811.21.00 as carbon dioxide, even when used in beverages.
Industrial Carbon Dioxide Gas Cylinder
Industrial carbon dioxide gas in cylinders is a separate chemically defined compound, classifiable under tariff item 2811.21.00. The steel cylinder is packaging, not a separate good, and does not affect classification.
Liquid Carbon Dioxide Bulk Tanker
Liquid carbon dioxide in bulk tankers is carbon dioxide in a liquid state, a separate chemically defined compound. It falls under tariff item 2811.21.00, as the heading covers all physical states of CO2.
Medical-Grade Carbon Dioxide USP
Medical-grade carbon dioxide USP is a pure, chemically defined compound of carbon and oxygen, classifiable under tariff item 2811.21.00. Chapter 28 notes do not exclude pharmaceutical-grade inorganic compounds unless put up as medicaments (Chapter 30).
pH Correction Carbon Dioxide
Carbon dioxide for pH correction is a separate chemically defined compound, classifiable under tariff item 2811.21.00. Its use to form carbonic acid in solution does not change its identity as CO2.