Methyldiethanolamine (MDEA)
Methyldiethanolamine (MDEA) is a tertiary amino alcohol with the chemical formula CH3N(CH2CH2OH)2, classified under HTS 2922.17.00.00 as a specific oxygen-function amino-alcohol compound. It is a colorless viscous liquid used primarily in industrial applications for gas sweetening and chemical synthesis.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If formulated as organic composite solvent for retail or industrial use
Blends with solvents or additives for specific applications like paint stripping shift to heading 3814 as formulated preparations, not pure compounds.
If imported as aqueous solution exceeding transport-only concentrations
Solutions beyond safety/transport standards per Chapter Note (e) may classify as chemical preparations under 3824 rather than pure Chapter 29 compounds.
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Import Tips & Compliance
• Verify purity certificates (typically >98%) to confirm classification as pure MDEA; include SDS and TSCA declarations for EPA compliance
• Avoid mislabeling as a mixture to prevent reclassification under Chapter 38
Related Products under HTS 2922.17.00.00
Ethyldiethanolamine (EDEA)
Ethyldiethanolamine (EDEA), with formula C2H5N(CH2CH2OH)2, is a tertiary amino alcohol explicitly listed under HTS 2922.17.00.00 as an oxygen-function amino-compound. This clear liquid serves as a chemical intermediate in pharmaceutical and surfactant production.
Purified Methyldiethanolamine 99% Technical Grade
High-purity methyldiethanolamine (99% min) is a chemically defined tertiary amino alcohol under HTS 2922.17.00.00, meeting Chapter 29 note (a) for separate organic compounds. Used in natural gas purification to remove H2S and CO2.
Ethyldiethanolamine with Stabilizer for Transport
Ethyldiethanolamine containing a minimal stabilizer for preservation, as allowed under Chapter Note (f), remains classified under HTS 2922.17.00.00 as the base amino-alcohol compound. Primarily used in emulsifier manufacturing.
Methyldiethanolamine Aqueous Solution 50% for Safety Transport
50% methyldiethanolamine in water, prepared solely for safe transport per Chapter Note (d) and (e), qualifies under HTS 2922.17.00.00 as the dissolved pure compound. Applied in pH adjustment for industrial processes.
Distilled Ethyldiethanolamine Industrial Grade
Distillation-purified ethyldiethanolamine, a separate chemically defined organic compound per Chapter Note (a), falls under HTS 2922.17.00.00. Utilized as a catalyst in polyurethane foam production.
Methyldiethanolamine with Anticaking Agent
Methyldiethanolamine with added anticaking stabilizer necessary for preservation under Chapter Note (f), classified in HTS 2922.17.00.00. Employed in agricultural chemical formulations.