Isobutyraldehyde Diethyl Acetal from Japan
Isobutyraldehyde diethyl acetal is a branched acetal used in pharmaceutical intermediates. Falls under HTS 2911.00.50.00 as an 'other' hemiacetal/acetal derivative meeting chapter chemical purity standards.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• For pharma use, provide DMF or CEP from supplier
• Confirm branched vs. linear isomer via GC-MS if needed
• Label with GHS pictograms per OSHA HazCom standards