Anhydrous Formaldehyde Gas Cylinders from Mexico
High-purity anhydrous methanal in pressurized cylinders for industrial chemical synthesis. Classified as pure methanal under HTS 2912.11.00.00 as a separate chemically defined acyclic aldehyde per Chapter 29 note (a).
Duty Rate — Mexico → United States
12.8%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Provide gas chromatography analysis confirming >99% methanal purity to distinguish from mixtures
• DOT/UN 1198 hazardous material declaration required; ensure cylinders meet 49 CFR specifications
• Avoid anti-dusting agents that could trigger reclassification under note (g) if rendering product for specific use