Butanal with 0.1% Hydroquinone Stabilizer from Mexico
Normal butanal stabilized with 0.1% hydroquinone to prevent polymerization during storage and transport. Remains classified as pure butanal under HTS 2912.19.25.00 since stabilizer is necessary for preservation per Chapter 29 note (f). Used in flavor/fragrance synthesis.
Duty Rate — Mexico → United States
15.5%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Document stabilizer as <1% and solely for preservation; excess renders it a mixture under 3824.99
• Include polymerization inhibitor specification sheet matching industry standards for flavor chemical imports
• Segregate from oxidizing agents in shipping manifests to prevent reaction per IMDG Code