2931.49.00.10/Glufosinate-Ammonium Herbicide/Canada

Glufosinate-Ammonium Herbicide from Canada

Glufosinate-ammonium is the ammonium salt of 2-amino-4-[hydroxy(methyl)phosphonoyl]butanoic acid, a broad-spectrum contact herbicide used for post-emergence weed control in crops like corn and soybeans. It falls under HTS 2931.49.0010 as a non-halogenated organo-phosphorus derivative with the specific phosphonoyl structure defining glufosinate salts. This technical grade product is imported for formulation into commercial herbicide products.

Duty Rate — Canada → United States

3.7%

Rate breakdown

9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter

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Import Tips

• Obtain EPA registration and import alerts for pesticide active ingredients; provide technical data sheets confirming glufosinate content

• Ensure proper labeling as hazardous material (UN 2815) with phosphonic acid group declarations for DOT compliance

• Verify purity >95% to avoid reclassification; common pitfall is contamination leading to mixture headings