Methyldiethanolamine (MDEA)
Methyldiethanolamine (MDEA) is a tertiary amino alcohol with the chemical formula CH3N(CH2CH2OH)2, classified under tariff item 2922.17.00 as a specific oxygen-function amino-alcohol. It is a colorless viscous liquid used in gas treatment and as a chemical intermediate.
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 mixture of amino-alcohols
Mixtures not specifically named may be classified under the residual heading for other amino-alcohols.
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 methyldiethanolamine without impurities that could change its classification
• Include the CAS number (105-59-9) on customs forms for faster processing
Related Products under Tariff item 2922.17.00
Distilled Ethyldiethanolamine Industrial Grade
Distilled ethyldiethanolamine, a separate chemically defined organic compound, is purified by distillation to industrial grade. It is used primarily as a catalyst in polyurethane foam production, falling under tariff item 2922.17.00 as an amino-alcohol.
Ethyldiethanolamine Color-Coded for Safety
Ethyldiethanolamine with a minimal colouring agent added for safety identification, as permitted by Chapter Note 1(g). The colouring does not alter its use as a general chemical intermediate, so it remains classified under tariff item 2922.17.00.
Ethyldiethanolamine (EDEA)
Ethyldiethanolamine (EDEA), a tertiary amino alcohol with the formula C2H5N(CH2CH2OH)2, is explicitly listed under tariff item 2922.17.00. This clear liquid serves as a chemical intermediate in various industrial applications, including the production of surfactants and corrosion inhibitors.
Ethyldiethanolamine with Stabilizer for Transport
Ethyldiethanolamine with a minimal stabilizer added for preservation during transport, as allowed under Chapter Note 1(f). The stabilizer does not change its classification as the base amino-alcohol compound under tariff item 2922.17.00, and it is used in emulsifier manufacturing.
High-Purity Methyldiethanolamine for Gas Sweetening
Ultra-high purity methyldiethanolamine (>99.5%) is a separate chemically defined organic compound, specifically used for natural gas sweetening to remove acid gases. It falls under tariff item 2922.17.00 as a pure oxygen-function amino-alcohol.
Methyldiethanolamine Aqueous Solution 50% for Safety Transport
A 50% aqueous solution of methyldiethanolamine, prepared solely for safe transport, qualifies under Chapter Note 1(d) and (e). The water solvent does not make the product suitable for a specific use, so it falls under tariff item 2922.17.00, used for pH adjustment in industrial processes.