Paraformaldehyde Methanol Stabilized 94% from Japan
This 94% paraformaldehyde powder stabilized with 4-6% methanol prevents premature depolymerization during storage and transport for pharmaceutical intermediate synthesis. HTS 2912.60.00.00 classification applies per Chapter 29 note 1(f) allowing stabilizers necessary for preservation. The methanol addition qualifies as safety/transport stabilizer without changing primary aldehyde function.
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
• Document methanol stabilizer percentage (<10%) per Chapter 29 note 1(f) to maintain paraformaldehyde classification
• Dual hazard declaration required for formaldehyde and methanol vapors per IMDG Code
• Include stabilizer compatibility test results preventing classification as chemical mixture