Anhydrous Formaldehyde Gas Cylinders from Japan
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 — 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
• 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