Methacrylamide with MEHQ Stabilizer from Canada
Methacrylamide stabilized with 100-400 ppm MEHQ (monomethyl ether hydroquinone) to prevent polymerization during storage/transport. Permissible stabilizer per Chapter 29 note (f); remains classified as pure methacrylamide under 2924.19.11.30.
Duty Rate — Canada → United States
13.7%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Specify stabilizer concentration and chemical identity in SDS; levels > permitted trigger 3824 classification
• Verify stabilizer doesn't impart specific end-use properties per Chapter note (g)
• Monitor shelf life declarations; expired stabilizer leads to hazardous material denial