2931.49.00.10/Glufosinate-Ammonium Herbicide/China

Glufosinate-Ammonium Herbicide from China

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 — China → United States

112.5%

Rate breakdown

9903.04.6096.3%Except as provided in heading 9903.04.61, patented pharmaceutical articles as provided for in subdivisions (c) and (d) of U.S. note 40 to this subchapter

9903.05.3112.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of China, as provided for in U.S. note 52 to this subchapter

Calculate with your customs value Verify with the Tariff Assistant

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