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

Phosphoryl Chloride (POCl3) Technical Grade from Canada

Although the heading specifies phosphorus trichloride, phosphoryl chloride (POCl3) shares the subheading in practice as a chloride oxide of phosphorus under HTS 2812.13.00.00. This fuming liquid is essential for producing phosphate esters in pharmaceuticals.

Duty Rate — Canada → United States

13.7%

Rate breakdown

9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada

Import Tips

Differentiate POCl3 from PCl3 via CAS number (10025-87-3 vs 7719-12-2) in import docs

Require DOT SP 151 packaging exemption documentation for bulk shipments

Test for hydrolysis products which could shift classification to mixtures