N-Methyldiethanolamine (MDEA)
MDEA is a tertiary amino-alcohol used primarily in natural gas sweetening to remove H2S and CO2, classified in HTS 2922.19.96 as other amino-alcohols. Its chemically defined structure fits Chapter 29's scope for oxygen-function compounds.
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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 as supported catalyst for gas processing
Impregnated or supported organic compounds for catalysis classify under Chapter 38.
If blended into petroleum gases
Additives incorporated into fuels fall under Chapter 27.
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Import Tips & Compliance
• Include gas absorption specifications but classify based on chemical structure, not end use
• Certify amine content and water dilution meets transport-only criteria per chapter notes
• Monitor Section 301 tariffs if sourced from China; consider diversification
Related Products under HTS 2922.19.96
Ethanolamine (Monoethanolamine)
Monoethanolamine is a simple amino-alcohol with the formula H2NCH2CH2OH, classified under HTS 2922.19.96 as an oxygen-function amino-compound containing a single hydroxyl group and amino group. It is a chemically defined organic compound used in detergents, emulsifiers, and pharmaceuticals.
Diethanolamine (DEA)
Diethanolamine (H2N(CH2CH2OH)2) is an amino-alcohol used in gas treatment, cosmetics, and as a corrosion inhibitor, falling under HTS 2922.19.96 as 'other' oxygen-function amino-compounds with amino-alcohol structure. It meets Chapter 29 requirements for separate chemically defined organic compounds.
Triethanolamine (TEA)
Triethanolamine (N(CH2CH2OH)3) is a tertiary amino-alcohol used in cement grinding aids, textiles, and personal care products, classified in HTS 2922.19.96 as an oxygen-function amino-compound. Its single amino-alcohol structure fits Chapter 29's chemically defined organic compound criteria.
Serinol (2-Amino-1,3-propanediol)
Serinol is a simple amino-diol used as a pharmaceutical intermediate and in polymer synthesis, falling under HTS 2922.19.96 for amino-alcohols other than those everything with multiple oxygen types. It qualifies as a chemically defined organic compound per Chapter 29 note (a).
2-Amino-2-methyl-1-propanol (AMP-95)
AMP-95 is a sterically hindered amino-alcohol used as a neutralizer in paints and corrosion inhibitors, classified under HTS 2922.19.96 as an 'other' oxygen-function amino-compound. Its structure contains one amino and one alcohol group, meeting Chapter 29's organic compound definitions.
Tromethamine (Tris(hydroxymethyl)aminomethane)
Tromethamine, or Tris base, is an amino-triol used as a biological buffer and pharmaceutical excipient, falling under HTS 2922.19.96 for oxygen-function amino-alcohols. It is a separate chemically defined compound as specified in Chapter 29 notes.