High-Purity Methyldiethanolamine for Gas Sweetening
Ultra-high purity methyldiethanolamine (>99.5%) specifically for natural gas sweetening, a pure oxygen-function amino-alcohol under HTS 2922.17.00.00 per Chapter Note (a). Removes acid gases in petrochemical plants.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If hydrocarbon impurities render it a petroleum derivative
High hydrocarbon content shifts to Chapter 27, but pure MDEA stays in 2922.
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Import Tips & Compliance
• Provide end-use statement if requested by CBP; comply with PHMSA hazmat regs for tankers
• Pitfall: impurities >1% may reclassify as technical grade mixture
Related Products under HTS 2922.17.00.00
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.
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.