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2931.42.00.00/99% Pure Dimethyl Propylphosphonate Technical Grade/Mexico

99% Pure Dimethyl Propylphosphonate Technical Grade from Mexico

High-purity technical grade dimethyl propylphosphonate (>99%) used in pharmaceutical synthesis and as a flame retardant precursor. Falls under HTS 2931.42.00.00 due to its specific non-halogenated organo-phosphorus structure as per Chapter 29 notes.

Duty Rate — Mexico → United States

13.7%

Rate breakdown

9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
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Import Tips

• Require analytical HPLC/GC reports for purity verification during customs; label as 'not for pesticide use' if applicable to avoid EPA scrutiny

• Check for stabilizer additions per Chapter note 2(f)

99% Pure Dimethyl Propylphosphonate Technical Grade from Mexico — Import Duty Rate | HTS 2931.42.00.00