O-2-(Diethylamino)ethyl Hydrogen Ethylphosphonite from China
A phosphonite ester derivative with diethylaminoethyl and ethyl groups, precisely fitting HTS 2931.49.00.08 for non-halogenated amino-substituted phosphonites. Used in asymmetric catalysis and pharmaceutical intermediate production.
Duty Rate — China → United States
3.7%
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
• Declare exact alkyl chain specifications (ethyl in this case) in commercial invoice to match subheading criteria
• Obtain EPA pre-approval if destined for US chemical manufacturing to comply with TSCA regulations