Butyl Methyl Ether from China
Butyl methyl ether is an acyclic mixed ether from monohydric butanol and methanol, used in organic synthesis and as a reaction medium. It falls under HTS 2909.19.18.00 as an 'other' ether of monohydric alcohols, satisfying Chapter 29 definitions for acyclic structures. The unsymmetrical structure distinguishes it from symmetrical dialkyl ethers.
Duty Rate — China → United States
137.5%
Rate breakdown
9903.04.6094.5%Except as provided in heading 9903.04.61, patented pharmaceutical articles as provided for in subdivisions (c) and (d) of U.S. note 40 to this subchapter
9903.05.3112.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of China, as provided for in U.S. note 52 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
• Specify n-butyl vs iso-butyl isomer in documentation to confirm classification
• Include GC-MS analysis confirming ether purity and absence of alcohol precursors
• Use nitrogen blanketing recommendation for storage stability