Methyldiethanolamine (MDEA) from China
MDEA is an alkanolamine (CH3N(CH2CH2OH)2) used primarily in natural gas sweetening, fitting HTS 2922.19.96.90 as an oxygen-function amino-compound with ether-like properties but classified as amino-alcohol. Chemically defined per Chapter notes.
Duty Rate — China → United States
6.5%
Rate breakdown
9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
Import Tips
• Provide GC-MS analysis confirming identity and purity levels
• Declare as pure chemical, not formulated scrubber solution
• Comply with pipeline industry specifications if for energy sector end-use