Phosphoryl Chloride (POCl3) Technical Grade from Mexico
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 — Mexico → United States
13.7%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
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