Anhydrous Diethyl Ether from Canada
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 — Canada → United States
11%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
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