Benzothiazole-2-thiol (Captax) from Mexico
Benzothiazole-2-thiol, commonly known as Captax, is a key vulcanization accelerator for natural and synthetic rubbers. This pure organic compound features the hydrogenated benzothiazole ring-system and is classified under HTS 2934.20.8000 as an 'other' heterocyclic compound per Chapter 29 notes.
Duty Rate — Mexico → United States
16.5%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Provide detailed spectral analysis (NMR, IR) to confirm benzothiazole ring structure for Customs verification
• Register as a TSCA chemical and obtain PMN if new formulation; include TSCA certification on commercial invoice