N,N-Dimethylethanolamine (DMEA)
N,N-Dimethylethanolamine is a tertiary amino alcohol with the formula (CH3)2NCH2CH2OH, classified under HTS 2922.19.9619 as an N,N-dialkyl-2-aminoethanol. It is a clear liquid used primarily as a catalyst in polyurethane foam production and as a pH adjuster in water treatment.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If contains more than one oxygen function
Compounds with additional oxygen groups like ethers fall under the 'other' oxygen-function amino-alcohols earlier in numerical order.
If formulated as aqueous solution for specific end-use
Mixtures exceeding Chapter 29 solvent allowances classify as chemical preparations rather than pure compounds.
If imported as protonated hydrochloride salt
Organic salts of bases are classified with the parent base per Chapter 29 note on salts, but specific salt provisions may apply.
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Import Tips & Compliance
• Verify purity certificate (typically >99%) to confirm classification as chemically defined compound under Chapter 29 note (a)
• Include SDS and handling instructions due to corrosive nature; ensure DOT-compliant packaging for transport
• Avoid misclassification as cleaning preparation (HTS 3402) if sold undiluted for industrial use
Related Products under HTS 2922.19.96.19
N-Isopropyl-N-methylethanolamine
This protonatable amino alcohol with isopropyl/methyl substitution on nitrogen classifies in HTS 2922.19.9619 per the dialkyl-2-aminoethanol specification. Applied in epoxy curing agents and water-soluble polymers.
N,N-Dipropylaminoethanol
N,N-Dipropyl-2-aminoethanol (CH3CH2CH2)2NCH2CH2OH falls under HTS 2922.19.9619 as n-propyl dialkyl variant. Utilized in synthesis of rubber accelerators and textile auxiliaries.
DMEA Hydrochloride Salt
The protonated hydrochloride salt of N,N-dimethylethanolamine classifies with the parent base under HTS 2922.19.9619 per Chapter 29 salt note (C)(1). Used in pharmaceutical formulations and as a cationic surfactant precursor.
N,N-Diethylethanolamine (DEEA)
N,N-Diethylethanolamine (C2H5)2NCH2CH2OH is a dialkyl amino alcohol falling under HTS 2922.19.9619 as specified N,N-dialkyl-2-aminoethanol. Used as a corrosion inhibitor in petroleum refining and emulsifier in cosmetics.
N-Ethyl-N-methylethanolamine
N-Ethyl-N-methylethanolamine CH3(CH2CH3)NCH2CH2OH qualifies under HTS 2922.19.9619 for mixed methyl/ethyl dialkyl-2-aminoethanols. Serves as intermediate in pharmaceutical synthesis and surfactant production.
DEEA Monohydrochloride
Mono-protonated salt of N,N-diethylethanolamine under HTS 2922.19.9619 following parent compound classification rules. Employed in gas sweetening processes and alkaloid synthesis.