2929.90.50.20/Diisopropyl-N,N-diethyl phosphoramidate/Mexico

Diisopropyl-N,N-diethyl phosphoramidate from Mexico

Diisopropyl-N,N-diethyl phosphoramidate features isopropyl groups on phosphorus and ethyl on nitrogen, matching HTS 2929.90.50.20 specifications. Utilized in the synthesis of insecticides and as a chiral resolving agent.

Duty Rate — Mexico → United States

6.5%

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

• Isopropyl stereochemistry must be documented; racemic vs enantiopure affects value declaration

• Segregate from amines during storage/transport to prevent side reactions

• File correct EEI with precise chemical description to avoid CBP reclassification