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2931.90.90.40/Cacodylic Acid (Dimethylarsinic Acid)/Canada

Cacodylic Acid (Dimethylarsinic Acid) from Canada

Cacodylic acid is an organoarsenic compound with two methyl groups and carboxylic acid function directly bound to arsenic. It qualifies under HTS 2931.90.90.40 as other organo-inorganic per Chapter 29 note on nonmetal/metal directly linked to carbon. Commonly used as herbicide and in wood preservation.

Duty Rate — Canada → United States

13.7%

Rate breakdown

9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
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Import Tips

• Secure EPA registration under FIFRA for pesticide use; label with exact composition to avoid reclassification as mixtures

• Use licensed hazmat carriers due to acute toxicity