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2813.90.50.00/High Purity P4S3 for Organic Synthesis/Canada

High Purity P4S3 for Organic Synthesis from Canada

99% pure phosphorus trisulfide crystals employed as a thionating agent converting carbonyls to thiocarbonyls in pharmaceutical intermediates. HTS 2813.90.50.00 classifies it as commercial 'other' nonmetal sulfide. Excluded from Chapter 29 as purely inorganic per legal notes.

Duty Rate — Canada → United States

13.7%

Rate breakdown

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

• Provide HPLC purity certificate (>98%); use Schlenk line handling instructions in docs; segregate from oxidizers per DOT 49 CFR

High Purity P4S3 for Organic Synthesis from Canada — Import Duty Rate | HTS 2813.90.50.00