Acetaldehyde with MEHQ Inhibitor from China
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 — China → United States
43%
Rate breakdown
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)
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
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