</>Build with Tariff Intelligence|Programmatic access to tariff calculations and HS code classification.Explore Developer Resources →

Phosphorus Oxychloride from Mexico

Phosphorus oxychloride (POCl3), also known as phosphoryl chloride, is a colorless liquid used in organic synthesis and as a chlorinating agent. It qualifies under HTS 2811.19.61 as an other inorganic oxygen compound of nonmetals, specifically phosphorus. Its classification stems from Chapter 28 notes on nonmetal acid derivatives.

Duty Rate — Mexico → United States

14.2%

Rate breakdown

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

Import Tips

Classify as corrosive hazardous material (UN1830) with DOT-compliant packaging

Include manufacturer assay reports confirming >99% purity to avoid duty disputes

Check for REACH-like restrictions if transshipping from EU