Acetaldehyde with MEHQ Inhibitor from Japan
Acetaldehyde inhibited with 4-methoxyphenol (MEHQ) at 100 ppm to prevent oxidation, classified under HTS 2912.12.00.00 per Chapter 29 note (f) for stabilizers necessary for transport. Used in polymer and resin industries.
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
• Quantify inhibitor level in COA to prove 'necessary preservation' status
• Test for inhibitor efficacy post-shipment to maintain stability claims
• Separate from basic chemicals to avoid reaction risks in transit