Methyldiethanolamine (MDEA) from Japan
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 — Japan → United States
21%
Rate breakdown
9903.04.628.5%Patented pharmaceutical articles that are the product of Japan, of a European Union member country, of South Korea, of Switzerland, or of Liechtenstein as provided for in subdivisions (c) and (f) of U.S. note 40 to this subchapter
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 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