Magnesium Bromide Etherate from China
Magnesium bromide diethyl ether complex (MgBr2·(Et2O)2) is a Grignard reagent precursor used in organic synthesis. Despite organic component, classifies as chemically defined bromide under HTS 2827.59.51.00 when meeting Chapter 28/29 purity notes.
Duty Rate — China → United States
28.6%
Rate breakdown
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
9903.05.860%Articles provided for in subdivision (b) of U.S. note 52 to this subchapter
Import Tips
• NMR/GC analysis proving chemical complex status vs. mixture critical
• Air-sensitive; inert atmosphere packaging required for import inspection