Glyoxal Polymerization Inhibited Solution from Canada
40% glyoxal with proprietary polymerization inhibitor for long-term storage stability. Inhibitor qualifies under Chapter 29 note (f) as preservation-only additive. Specific HTS 2912.19.30.00 for chemically defined glyoxal.
Duty Rate — Canada → United States
13.7%
Rate breakdown
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
Import Tips
• Disclose inhibitor chemical identity and concentration (<0.2%) in technical data sheet
• Stability test results demonstrating 12+ month shelf life support classification
• Avoid phosphate inhibitors that trigger water treatment reclassification