</>Build with Tariff Intelligence|Programmatic access to tariff calculations and HS code classification.Explore Developer Resources →
2931.59.00.35/Phosphonamidofluoridic Acid, Methyl-, Bis(diethylamino)methylene Ester/Mexico

Phosphonamidofluoridic Acid, Methyl-, Bis(diethylamino)methylene Ester from Mexico

CAS-listed pure compound [exact nomenclature variant] used as reagent in organophosphorus chemistry research. Classified precisely under HTS 2931.59.00.35 as the designated halogenated organo-phosphorous derivative. Excluded from mixtures or preparations 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
Calculate with your customs valueVerify classification with AI

Import Tips

• Lab quantities (<100g) still require CWC declaration; bulk imports need additional ATF oversight

• Validate NMR spectrum matches reference to prevent customs laboratory challenge

• Avoid glass ampoules; use fluoropolymer-lined containers to prevent HF generation

Phosphonamidofluoridic Acid, Methyl-, Bis(diethylamino)methylene Ester from Mexico — Import Duty Rate | HTS 2931.59.00.35