Anhydrous Diethyl Ether from China
Water-free diethyl ether used in Grignard reactions and moisture-sensitive syntheses. Falls under 2909.11.00.00 as pure acyclic ether; anhydrous state is standard purification, not rendering it specific-use per Chapter 29 note (e).
Duty Rate — China → United States
36%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
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)
Import Tips
• Include GC-MS purity certificate; water content <0.01% distinguishes from technical grades
• Use brown glass or metal containers to prevent peroxide formation during transport
• Declare as 'not for anesthetic use' if intended for industrial/lab to avoid medical device scrutiny