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Methyl Methacrylate with 50 ppm Hydroquinone Inhibitor from Canada

Standard commercial MMA with precisely 50 ppm monomethyl ether hydroquinone (MEHQ) to maintain liquid state during global transport. HTS 2916.14.2020 per Chapter 29 note (f) allowance for transport stabilizers. Industry standard for resin manufacturers.

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

GC certificate must specify exact MEHQ ppm; variance >20% risks mixture classification

Declare 'inhibited monomer for polymerization' to distinguish from polymer products

Segregate from basic chemicals; incompatible with amines/acids causing polymerization