Diethylamino-ethylidene phosphonamidic fluoride hydrochloride salt from China
A protonated salt form of N-(diethylamino)ethylidene phosphonamidic fluoride (both alkyl groups ≤C10), classified under HTS 2929.90.50.30 as it matches the exact description including corresponding alkylated or protonated salts. This compound serves as a reagent in organic synthesis, particularly for phosphoramidate derivatives used in pesticides or flame retardants. Chapter 29 notes confirm salts of nitrogen-function compounds stay with the parent organic structure.
Duty Rate — China → United States
44%
Rate breakdown
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
Import Tips
• Include protonation details in chemical documentation to validate salt classification; check for REACH/ TSCA pre-registration if destined for chemical synthesis; ensure packaging meets UN standards for corrosive fluorides