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

Tributylthiuram Tetrasulfide (TBzTD) from Canada

Tributylthiuram tetrasulfide (TBzTD) is a specialty thiuram tetrasulfide accelerator offering safe processing for low-sulfur rubber compounds. Under HTS 2930.30.60.00, it qualifies as 'other' thiuram sulfides within organo-sulfur compounds due to its molecular structure with multiple sulfur atoms linked to carbon. It is imported as a distinct chemical substance for industrial synthesis.

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

Submit NMR spectra confirming tetrasulfide structure; comply with EPA chemical import notifications; avoid anti-dusting agents exceeding Chapter 29 note (g) limits